Chemistry College

To learn more about the genetic material of plant and animal cells, where would a person look?
A.in the lysosomes
B.in the nucleus
C.inside the chloroplasts
D.on the cell wall

Answers

Answer 1
The person would look B) in the nucleus.

Hope this helps!

-Payshence xoxo

Related Questions

Select all that apply. According to scientists, the distribution of volcanoes throughout the world… Is fairly even and widespread Forms a specific pattern across fault lines Corresponds to plate boundaries Is constantly changing and shifting

Answers

Only answers C and D would make sense in this question. Hope I helped please give brainiest!
Hi there!

According to scientists, the distribution of volcanoes throughout the world corresponds to plate boundaries. 
Also called "divergent boundaries", plate boundaries have many volcanoes. These volcanoes and volcanic eruptions are caused by the movement of plates, which causes lava and magma to seep in the gaps of the plates. 

Hope this helps!

If the apparent magnitude of a star increases,the star get brighter, true or false?

Answers

False, it does not change.

Consider the fructose-1,6-bisphosphatase reaction. calculate the free energy change if the ratio of the concentrations of the products to the concentrations of the reactants is 24.3, and the temperature is 37.0 °c? δg°\' for the reaction is –16.7 kj/mol. the constant r = 8.3145 j/(mol·k)

Answers

Let me work this one out and I’ll let you know what I survive afterwards

If the equilibrium constant kc for the reaction below is 1.71 × 10–1, what will be the equilibrium pressure of no if the initial partial pressures of the three gases are all 1.96 × 10–3 atm? $$

Answers

The equilibrium reaction that is not shown is the reaction of N₂ and O₂ to form NO:

N₂ + O₂ ⇄ 2NO

We can write an expression for the equilibrium constant. We are given the value of Kc, but we must use Kp if we are dealing with partial pressures. However, since 2 moles of gas are formed from 2 moles of gas, the value of Kc is equal to Kp so we do not need to change anything.

Kc = (Pno)²/(Pn2)(Po2) = 1.71 x 10⁻¹

We must first use the initial pressures to find the reaction quotient to decide which way the equilibrium will shift:

Q = (1.96 x 10⁻³)²/(1.96 x 10⁻³)(1.96 x 10⁻³) = 1

Since Q > Kp, the equilibrium will shift to the left. Now we can prepare an ICE table to find the equilibrium pressures:

           N₂                       O₂                    NO
I      1.96 x 10⁻³       1.96 x 10⁻³         1.96 x 10⁻³
C       +x                         +x                    -2x
E    0.00196 + x     0.00196 + x        0.00196 - 2x

We enter these equilibrium pressures into the equilibrium expression and solve for x:

0.171 = (0.00196 - 2x)²/(0.00196 + x)²

Expand the equation and simplify to a quadratic function:

3.829x² - 0.00851x + 3.183·10⁻⁶ = 0

x = ((0.00851) +/- sqrt((0.00851)² - 4(3.829)(3.183 x 10⁻⁶)))/2(3.829)

x = 0.000476 atm

Now we can solve for the equilibrium partial pressures:

Pno = 0.00196 - 2(0.000476) = 0.00101 atm

Pn2 = 0.00196 + 0.000476 = 0.00244 atm

Po2 = 0.000196 + 0.000476 = 0.00244 atm

Therefore, the equilibrium partial pressure of NO is 0.00101 atm.

Final answer:

To determine the equilibrium pressure of NO, set up an ICE table using the values of the equilibrium constant (Kc) and initial partial pressures. Assume the increase in NO pressure is 'x' and the decrease in N2O and O2 pressures is '2x' and 'x', respectively. Calculate the equilibrium pressures by adding the initial pressures to their corresponding changes.

Explanation:

To determine the equilibrium pressure of NO, we need to set up an ICE table and use the values of the equilibrium constant (Kc) and initial partial pressures of the three gases. Let's assume the increase in the pressure of NO is 'x'. Since the stoichiometric coefficient of NO is 2, the decrease in the pressures of N2O and O2 will be '2x' and 'x', respectively. The equilibrium partial pressures of the three gases can be calculated by adding the initial pressures to their corresponding changes.

Initial pressures:

N2O: 1.96 × 10-3 atmO2: 1.96 × 10-3 atmNO: 1.96 × 10-3 atm

Change in pressures:

N2O: -2xO2: -xNO: x

Equilibrium pressures:

N2O: (1.96 × 10-3 - 2x) atmO2: (1.96 × 10-3 - x) atmNO: (1.96 × 10-3 + x) atm

Since the equilibrium constant (Kc) is given as 1.71 × 10-1, which represents the ratio of the equilibrium concentrations of products to reactants, we can set up the following equation:

Kc = [NO]2 / ([N2O] * [O2])

Substituting the equilibrium pressures into this equation:

1.71 × 10-1 = ([1.96 × 10-3 + x]2 / ([1.96 × 10-3 - 2x] * [1.96 × 10-3 - x]))

Now, solve this equation to find the value of 'x', which represents the equilibrium increase in the pressure of NO.

Once 'x' is determined, substitute it back into the equations for the equilibrium pressures to calculate the final equilibrium pressures of N2O, O2, and NO.

The key on a pie chart represents...

Answers

The key on a pie chart tells you what the different segments of the chart stand for.

Answer:

data that adds up to 100%

Explanation:

_____________ means that animals within a population have a variety of strengths.

Answers

Genetic diversity is probably the answer you're looking for.
Genetic diversity means that animals within a population have a variety of strengths. Plz give brainliest it would help me out when I Just helped you out :)

_____ is the process where the female reproductive cell (egg) is united with the male reproductive cell (sperm).
growth
fertilization
pollination
germination

Answers

its fertization just like humans

Jessie has never seen snow, but today the weather conditions may be just right! He knows the temperature on the Fahrenheit thermometer must be _______ degrees or lower for him to see his first snow fall.
A) 32 o
B) 20 o
C) -10 0
D) -32 0

Answers

The answer is 32° F, because water freezes at this temperature under normal pressures, and snow is water vapor frozen into ice crystals. 




N.b., it usually needs to be a little bit colder to have snow, but this is around the maximum (although I've seen snow around 38° F before).

A car travels 31.2 miles in 36.0 minutes. What is the average speed of the car during this trip, in miles per hour (mph)?

Answers

speed is the distance travelled within a unit time.
in this instance, distance traveled - 31.2 miles 
time taken to travel this distance - 36 minutes
time is given in minutes, we need to convert minutes to hours
60 minutes - 1 hour 
Therefore 1 minute - 1/60 hr
36 minutes -  1/60 hr/minutes x 36 minutes 
                  - 0.6 hr
speed = distance travelled / time taken 
          = 31.2 miles / 0.6 hr
          = 52 mph (miles per hour)
average speed means that on average the car has been travelling at 52 mph speed. within one hour on average the car can cover 52 miles distance.

Answer:

0.8 mph

Explanation:

divide distance by time

31.2/ 36 = 0.866..

What is the empirical formula of a substance that contains 5.28 g of c, 0.887 g of h, and 3.52 g of o?

Answers

Final answer:

The empirical formula of the compound is CH2O.

Explanation:

To determine the empirical formula of a substance, we need to find the ratio of the number of atoms of each element in the compound.

Step 1: Convert the given masses of each element to moles. Using the molar mass of each element (C = 12.01 g/mol, H = 1.008 g/mol, O = 16.00 g/mol), we have 5.28 g C = 0.44 mol C, 0.887 g H = 0.877 mol H, and 3.52 g O = 0.22 mol O.

Step 2: Divide each element's mole value by the smallest mole value to get the simplest ratio. In this case, the smallest mole value is 0.22 mol O. Dividing the other mole values by 0.22 gives us 0.44 mol C, 0.877 mol H, and 1 mol O.

The empirical formula of the compound is CH2O.

Determine the limiting reactant. 2al(s)+3br2(g)→2albr3(s)

Answers

Missing question: For each of the following reactions, 25.0 g of each reactant is present initially.
m(Al) = 25 g.
n(Al) = m(Al) ÷ M(Al).
n(Al) = 25 g ÷ 27 g/mol.
n(Al) = 0,926 mol.
m(Br₂) = 25 g.
n(Br₂) = 25 g ÷ 160 g/mol.
n(Br₂) = 0,156 mol.
Bromine is the limiting reactant, because it has less amount of substance.
Final answer:

The limiting reactant in a chemical reaction is determined by calculating the amount of product (AlBr3 in this case) that would be produced from the complete reaction of each of the reactants separately. The reactant yielding the lesser amount of product is the limiting reactant.

Explanation:

To determine the limiting reactant in a chemical reaction, you can use a method where you compare the amount of each reactant to the amount of product expected from its complete reaction. Taking the given equation, 2Al(s)+3Br2(g)→2AlBr3(s), we would calculate the amount of the product AlBr3 that would be formed from the complete reaction of each reactant, Al and Br2, separately. The reactant that yields the lesser amount of the product AlBr3 is the limiting reactant. This concept can be understood using a simple analogy. Let's think of making a sandwich: 2 slices of bread + 1 slice of cheese yields 1 sandwich. If you have an excess of bread but only one slice of cheese, you can only make one sandwich. The cheese is the limiting reactant as it limits the yield of sandwich and the amount of bread left unreacted is the excess reactant. Similarly, in the chemical reaction given above, the reactant that produces less amount of product (AlBr3) acts as the limiting reactant.

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Write a net ionic equation to show that acetylsalicylic acid (aspirin), hc9h7o4, behaves as a brønsted-lowry acid in water.

Answers

Balanced chemical reaction of aspirin in water:
HC₉H₇O₄(aq) + H₂O(l) ⇄ C₉H₇O₄⁻(aq) + H₃O⁺(aq).
In this chemical reaction aspirin(HC₉H₇O₄) is an acid because it donates a proton (H⁺) to water and becomes its conjugate base (C₉H₇O₄⁻) and water is a base because it accepts a proton from aspirin and becomes its conjugate acid, the hydronium ion, (H₃O⁺).

Explanation:

According to the Bronsted-Lowry conjugate acid-base theory:

An acid is defined as a substance which looses donates protons and thus forming conjugate base.A base is defined as a substance which accepts protons and thus forming conjugate acid.

Acetylsalicylic acid when dissolved in water donates its proton to form conjugate base and water gains the proton to form conjugate acid.The net ionic equation is given as:

[tex]HC_9H_7O_4(0+H_2O\rightarrow (C_9H_7O_4)^{-}+H_3O^+[/tex]

Draw one of the isomeric c5h12o alcohols that can be prepared by lithium aluminum hydride reduction of a ketone.

Answers

Hello!

The Lithium Aluminum hydride (LiAlH₄) reduction of a ketone is a process in which the ketone is reduced and the Lithium Aluminum hydride is oxidized. The general chemical reaction for this kind of reduction is:

              1)LiAlH₄
R(C=O)R ---------→R(C-OH)R 
              2)H₃O⁺

The structure for one of the isomeric C₅H₁₂O alcohols that can be prepared by lithium aluminum hydride reduction of a ketone is shown in the attached image, the compound is called 3-Pentanol:

Have a nice day!

What is the number “4” in SiCl4?

Answers

The '4' tells how many Chlorine are in the compound.
Hello there,

A subscript is the answer.

Hope this answer has helped you.

Write the atomic cores for potassium and chloride ions

Answers

This question is part of a bigger question.

The target is to determine the Lewis structer for the ionic compound KCl.

The atomic cores are the electrons but the outermost shell (i.e. valence electrons).

Potassium has atomic number (Z) 19.

So, its electron distribution is 1s2 2s2 2p6 3s2 3p6 4s

The valence electron is 4s, so the atomic core is 1s2 2s2 2p6 3s2 3p6.

Potassium ion, K+, has lost one electron, the outermost electron, so it has the same electrons as the atomic core of K.

Chlorine has atomic number 17.

The electron distribution of chlorine is 1s2 2s2 2p6 3s2 3p5.

The valence eletrons are 3s2 3p5, so the atomic core of chlorine is 1s2 2s2 2p6.

The ion Cl- has gained one electron so its electron configuration is 1s2 2s2 2p6 3s2 3p6.

To represent the Lewis structure you only use the valence electrons, so the representation is:

             **
K(+)  +*Cl(-) **
             **

Where the * marks represent the 7 valence electrons of chloride atom and the + mark represent the electron gained by chloride and released by potassium.

So, the ion K(+) has lost its only valence electron and the ion Cl(-) has increased its valence electrons to 8. In this way both have the stable configuration of a noble gas.
Final answer:

The atomic core for a potassium ion (K+) is [Ar]4s¹ without the one electron it loses to become an ion. The atomic core for a chloride ion (Cl-) is [Ne]3s² 3p⁵ with an extra electron gained to fill its 3p orbital.

Explanation:

The atomic cores for potassium and chloride ions are represented by their respective electron configurations and their charges after ion formation. Potassium (K) has an atomic number of 19, which means it has 19 electrons. The electron configuration is [Ar]4s¹. When potassium forms an ion, it loses one electron to achieve a noble gas configuration, making it a potassium ion with a charge of +1, represented as K⁺.

Chlorine (Cl) has an atomic number of 17, which means it has 17 electrons. The electron configuration is [Ne]3s² 3p⁵. When chlorine forms an ion, it gains one electron to fill its 3p orbital, becoming a chloride ion with a charge of -1, represented as Cl⁻.

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What is the conjugate acid of hpo22− ? express your answer as a chemical formula?

Answers

Final answer:

The conjugate acid of HPO2- is H2PO4-.

Explanation:

The conjugate acid of HPO2- is H2PO4-.

The stalk that holds the anther up so that pollination and fertilization can occur is the _______. :
stigma
style
filament
anther

Answers

The filament holds up the anther so that pollination and fertilization can occur!
The answer is filament. Hope that helped!

Helium has a density of 1.79 x 10-4 g/mL at standard temperature and pressure. A balloon has a volume of 6.3 liters. Calculate the mass of helium that it would take to fill the balloon

Answers

the density of He is 1.79 x 10⁻⁴ g/mL
In other words in 1 mL there's 1.79 x 10⁻⁴ g of He. 
To fill a volume of 6.3 L the mass of He required 
    = 1.79 x 10⁻⁴ g/mL * 6300 mL
   = 11 277 * 10⁻⁴ g
  Therefore mass of He required = 1.1277 g of He

Answer:

1.1 x 10-3 g

Explanation:

Given the balanced equation 3H2(g)+N2(g)=2NH3(g), calculate the mass of NH3 produced by the complete reaction of 2.55g of H2

Answers

Hello!

The mass of NH₃ produced by the complete reaction of 2,55 g of H₂ is 14,3622 g 

To calculate the mass of NH₃ produced in the chemical reaction we need to use the following conversion factor, to go from the mass of H₂ to the mass of NH₃, using the reaction coefficients for the reagents and the products, and the molar masses of each compound:

[tex]2,55gH_2* \frac{1 mol H_2}{2,0159 g H_2}* \frac{2 mol NH_3}{3 mol H_2}* \frac{17,031 g NH_3}{1 mol NH_3}=14,3622 g NH_3 [/tex]

Have a nice day!
Final answer:

The mass of NH3 produced from the complete reaction of 2.55g of H2 is calculated to be 14.45 g, based on the molar masses of H2 and NH3 and the stoichiometry of the given balanced chemical equation.

Explanation:

To calculate the mass of NH3 produced by the complete reaction of 2.55g of H2, we first need to determine the molar mass of H2. Knowing that the atomic mass of hydrogen is 1.0, we can say that the molar mass of H2 is 2.0 g/mol. Next, we need to find out how many moles of H2 are in 2.55 g:

Number of moles of H2 = mass (g) / molar mass (g/mol) = 2.55 g / 2.0 g/mol = 1.275 mol

Using the stoichiometry of the balanced equation (N2(g) + 3H2(g) → 2NH3(g)), we can see that 3 moles of H2 produce 2 moles of NH3. Therefore, we can set up a proportion to find the number of moles of NH3 that would be produced from 1.275 moles of H2:

(1.275 mol H2) * (2 mol NH3 / 3 mol H2) = 0.85 mol NH3

Now, to find the mass of NH3, we need to know its molar mass. The atomic mass of nitrogen is 14.0 and hydrogen is 1.0, so the molar mass of NH3 is 14.0 + (3 * 1.0) = 17.0 g/mol. Finally, we can calculate the mass of NH3 produced:

Mass of NH3 = number of moles * molar mass = 0.85 mol * 17.0 g/mol = 14.45 g

Determine the molecular formula of a compound that has a molar mass of 183.2 g/mol and an empirical formula of c2h5o2.

Answers

C6H15O6

Good luck and don't forget to rate or mark Brainliest :)

Answer:

[tex]C_6H_{15}O_6[/tex]

Explanation:

Hello,

In this case, one computes the molar mass for the given empirical formula as follows:

[tex]M_{empirical}=12*2+1*5+16*2=61g/mol[/tex]

In such a way, one computes how many times the molecular formula's molecular mass is contained into the empirical formula's molecular mass in order to determine the whole number relating them as shown below:

[tex]\frac{183.2g/mol}{61g/mol}=3[/tex]

Finally, the molecular formula is three times the empirical formula, hence:

[tex]C_6H_{15}O_6[/tex]

Best regards.

During respiration, a plant uses glucose (sugar) and oxygen to give it the energy it needs to survive. During this process ______ and _____ are released.
Question 6 options:


hydrogen and oxygen


sunlight and water


water and carbon dioxide


nitrogen and carbon dioxide

Answers

Water and carbon dioxide . 

Answer:

water carbon dioxide

Explanation:

An analysis reveals that a substance consists of 26.7% of carbon, 2.24% of hydrogen and 71.1% of oxygen, If the molar mass of the compound is 270.1 g/mol, what is the MOLECULAR Formula?

Answers

 the   molecular  formula    is  calculated  as  follows 
find  the  mole  of  each  molecule 
that  is   for  carbon = 26.7/12=  2.23  moles
                   hydrogen=  2.24/1=2.24  moles
                 oxygen=  71.1/16=4.44  moles
find  the   mole  ratio  of  each  element
that  is  divide  all  moles  by  the  smallest  mole(  2.23)

for  carbon=2.23/2.23=1,
  hydrogen =  2.24/2,23=1
  oxygen= 4.44/2.23=  2
the   empirical  formula  = CHO2
therefore  the  molecular  formula=(CHO2)n=270.1
                 { ( 12x 1)  + 1x1) +(16x2)}n=270.1
45n=270.1 
n=6
molecular  formula  is  therefore=(CHO2)6=C6H6O12

Hydrogen is used as a rocket fuel because it is very light and reacts explosively and completely with oxygen. for the combustion reaction 2h2(g)+o2(g)⇌2h2o(g) what is the likely magnitude of the equilibrium constant k?

Answers

Hello!

The likely magnitude of the equilibrium constant k for the reaction btween hydrogen and oxygen is k>10³.

The equilibrium constant k for the reaction 2H₂(g) + O₂(g)⇄ 2H₂O(g) can be expressed as follows:

[tex]k= \frac{[H_2O]^{2} }{[H_2]^{2}*[O_2]}[/tex]

As you can see, as the concentration of the products increase and concentration of the reagents decrease, the value of the equilibrium constant increases as well. The reaction between Hydrogen and Oxygen is violent, meaning that the concentration of the products will be high and the concentration of the reagents will be low. That's why the equilibrium constant has a likely magnitude of k>10³


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The reaction tends to completion hence K should be in the order of K>103.

The equilibrium constant is a number that indicates the extent to which reactants are converted to products in a chemical reaction. A high value of equilibrium constant indicates that the system contains mostly products and few reactants at equilibrium. A low equilibrium constant indicates that the concentration of reactants is greater than the concentration of products at equilibrium.

For the reaction;  2H2(g) + O2(g) ⇌ 2H2O(g), we know the reaction to be explosive and tend to completion since it is a combustion reaction. This means that the reactants are mostly converted to products and the equilibrium constant will be large. Hence K should be in the order of K>103.

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Hydrogen is used as a rocket fuel because it is very light and reacts explosively and completely with oxygen. For the combustion reaction 2H2(g)+O2(g)⇌2H2O(g) what is the likely magnitude of the equilibrium constant K?

1. K<10−3

2. 10−3

3. K=0

4. K>103

Consider this reaction: 2al(s) + 3 cucl2(aq) → 2alcl3(aq) + 3 cu(s) if the concentration of cucl2 drops from 1.000 m to 0.655 m in the first 30.0 s of the reaction, what is the average rate of reaction over this time interval?

Answers

The average rate of reaction for CuCl₂ is found by dividing the concentration change (0.345 M) by the time interval (30.0 s), resulting in an average reaction rate of 0.0115 M/s for both the disappearance of CuCl₂ and the formation of Cu.

The student is asking about calculating the average rate of reaction using changes in the concentration of a reactant over a given time interval. The average rate of reaction can be calculated by dividing the change in concentration of a reactant by the time period over which the change occurred. In this case, the concentration of CuCl₂ drops from 1.000 M to 0.655 M over 30.0 seconds.

To find the average rate at which CuCl₂ has reacted, we can use the formula:

Calculate the change in concentration of CuCl₂:
(Initial concentration) - (Final concentration) = 1.000 M - 0.655 M = 0.345 M. Divide the change in concentration by the time interval:
0.345 M / 30.0 s = 0.0115 M/s.

The average rate of reaction for the disappearance of CuCl₂ is 0.0115 M/s. Since the reaction stoichiometry shows 3 moles of CuCl₂ produces 3 moles of Cu, the average rate of formation of Cu is also 0.0115 M/s.

Wade thinks it would be really cool to become a radiologist. Which two skills are important for him to have in order to excel in this career?

A-leadership skills to help oversee the members of the staff within the hospital
B- physical strength to lift heavy equipment and machinery
C-interpersonal skills to talk to patients and help them feel comfortable
D-technical skills to know how to use the machinery and equipment needed for the jobE-public speaking skills to announce research findings in conferences

Answers

D is the most important skill
and I think the second skill should be B or C

The part of the flower responsible for producing pollen (sperm) is the _______.



filament


anther


stigma


style

Answers

Hello,

Here is your answer:

The proper answer to this question is option C "stigma".

Here is how:

The stigma is responsible for producing pollen in a plant.

Your answer is C.

If you need anymore help feel free to ask me!

Hope this helps!

The volume of an automobile air bag was 66.8 l when inflated at 25 °c with 77.8 g of nitrogen gas. what was the pressure in the bag in kpa

Answers

For this question we can use the ideal gas equation,
PV = nRT
P - pressure 
V - volume - 66.8 / 1000 m³
n - number of moles - 77.8 g/ 28 g/mol = 2.77 mol 
R - universal gas constant - 8.314 Jmol⁻¹K⁻¹
T - 25 °C + 273 = 298 K
substituting these values in the equation 
P x 0.0668 m³ = 2.77 mol x 8.314 Jmol⁻¹K⁻¹ x 298 K 
P = 102.7 kPa

Determine the mass of lithium hydroxide produced when 0.83g of lithium nitride reacts with water

Answers

Hello! 

The mass of Lithium hydroxide that is produced when 0.83g of lithium nitride reacts with water is 1,7122 g.

The reaction between water and lithium nitride is the following:

Li₃N(s) + 3H₂O(l) → NH₃(g) + 3LiOH(aq)

From this reaction we can calculate the mass of lithium hydroxide produced when 0,83 g of Lithium Nitride reacts with water, using the following conversion factor to go from grams of Li₃N to grams of LiOH using the reaction coefficients and molar masses:

[tex]0,83gLi_3N* \frac{1 mol Li_3N}{34,83 g Li_3N}* \frac{3 mol LiOH}{1 mol Li_3N}* \frac{23,95 g LiOH}{1 mol LiOH}= 1,7122 g LiOH [/tex]

Have a nice day!
Final answer:

When 0.83g of lithium nitride reacts with water, 1.7g of lithium hydroxide is produced according to the balanced chemical equation and stoichiometry.

Explanation:

To determine the mass of lithium hydroxide (LiOH) produced, we first need to understand the balanced chemical equation of the reaction.
Lithium nitride (Li₃N) reacts with water (H₂O) to form lithium hydroxide and ammonia (NH₃), which can be represented as:

Li₃N + 3H₂O → 3LiOH + NH₃

From the equation, we can see that 1 mole of lithium nitride reacts with 3 moles of water to produce 3 moles of lithium hydroxide.
Next, we need to convert the mass of lithium nitride to moles using the molar mass of lithium nitride, which is approximately 34.83 g/mol.

0.83 g Li₃N * (1 mol/34.83 g) = 0.0238 mol

Since the molar ratio of Li₃N to LiOH is 1:3, we multiply this mole by 3 to get the moles of lithium hydroxide produced.

Moles of LiOH = 0.0238 mol * 3 = 0.0714 mol

Finally, we convert the moles of LiOH to grams using the molar mass of LiOH, which is 23.95 g/mol.

Mass of LiOH = 0.0714 mol * 23.95 g/mol = 1.7 g

So, when 0.83g of lithium nitride reacts with water, 1.7g of lithium hydroxide is produced.

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how many moles are there in 78.3g of CO2?

Answers

The molar mass of CO2 can be calculated as follows;
CO2 — 12 + (16x2) = 12+ 32 = 44 g
Therefore molar mass of CO2 is 44 g/mol
In 44 g of CO2 there’s 1 mol of CO2
Then 1 g of CO2 there’s 1/44 mol of CO2
Therefore in 78.3 g of CO2 there’s — 1/44 x 78.3 =1.78 mol of CO2

The thermodynamic law that explains the movement of heat energy during the refrigeration cycle is the first/zeroth/second.

Answers

second
is the answer to this queston
Second (there ya go, bud)
Other Questions
Please help me with thisSimplify this expression:3 2/3x-4/5(x-3 3/4) The circumstance of a circle is 9pie cm. What is the diameter? Which of the following describes how Houyhnhnm's view death in Gulliver's Travels? It's an event of life, and they are not upset when one occurs. It's an event of life that is never discussed. It's an event of life that puts them in deep depression. It's an event of life that they do not talk about. What is the slope of a line that is parallel to y=5x+3 discuss how gender inequality in relationships could contribute to teenage pregnancy Describe the composition of an atom. __________ is an example of a nation that uses a democratic republic type of government.A.North KoreaB.FinlandC.Saudi ArabiaD.The United States a rectangular deck has a area of 320 ft squared. the length of the desk is 4 feet longer than the width. find the dimensions of the desk. Solve by completing the square. Suppose that you have a goal to drive two miles at an average rate of 60 miles per hour (mph). during the first mile you travel at a rate of 30 mph. how fast would you need to travel during the second mile in order to reach your goal of 60 mph for the total two mile distance? (hint: remember that rate is found by taking distance divided by time.) Which best explains why a writer might revise the second sentence to use passive voice ? How did the invention of the cotton gin affect slavery in the United States? (did it create more or less demand for slaves, and explain why) (Insert paragraph of 4-6 sentences here) Which of the following publications was written by john Locke during the enlightenment and contained ideas that inspired the American revolution How to make a box and whisker plot for 21,21,22,20,13,13,27,24 Which sentence best explains Baldwin conveys his ideas on hatred acceptance in this excerpt Under the Constitution, the executive, legislative, and judicial branches share power and responsibility give authority to the president must answer to the president divide powers of the states(this one I think its A) just to make sure :P, Javier bought a 20 oz smoothie that contains 450 total calories how many calories does a smoothie contain per ounce I think the answer is C but Im not sure. Plz help me out Explain how technological advancements and societal changes might have influenced the work of postmodernist American writers. Use the information about postmodernism in this section and the information described in the videos to develop your response. Which graph represents the function on the interval [3,3] ? Carolina is mowing lawns for a summer job. For every mowing job, she charges an initial fee plus $6 for each hour of work. Her total fee for a 4-hour job, for instance, is $ 32.