Balance the reactions which form ions. Choose "blank" if no other coefficient is needed. Writing the symbol implies "1."
1) (NH4)2CO3 ____ NH4 +_____ + CO3 -2
2) PbI2 _____ Pb+2 +______ I+1
3) (NH4)3PO4 ______ NH4 + _____ + PO4 +3

Answers

Answer 1
Following are the Balanced Reactions,

Reaction 1:


                            (NH₄)₂CO₃     →    2 NH₄⁺  +  CO3⁻²

Reaction 2:

                                     PbI₂    →    Pb⁺²  +  2 I⁻¹

Reaction 3:

                              (NH₂)₃PO₄     →     3 NH₄⁺  +   PO₄⁻³
Answer 2
The answers are the following:
1) (NH4)2CO3 2 NH4 +→ + CO3 -2
2) PbI2 →1 Pb+2 +2 I+1
3) (NH4)3PO4 →3NH4 + 3 + PO4 +

Related Questions

When the hydroxyl group, like in the image below, is attached to a carbon compound, the organic compound is a(n)

A hydrogen atom covalently bonded to an oxygen atom, which is covalently bonded to a carbon in the carbon chain.

carboxylic acid.
alcohol.
ether.
ketone.

Answers

Answer:
            The organic compound is an Alcohol.

Explanation:
                   Alcohol are class of organic compounds which are derived from water molecule. When one hydrogen atom in water molecule is replaced by an alkyl group it forms alcohols. i.e.

                           H-O-H  +  R    →    R-O-H  +  H

In above equation, R-O-H is the general formula of alcohols.

Examples:
                 CH₃-O-H    Methanol

                 CH₃-CH₂-O-H     Ethanol

                 CH₃-CH₂-CH₂-O-H     Propanol

                 CH₃-CH₂-CH₂-CH₂-O-H      Butanol

                 CH₃-CH₂-CH₂-CH₂-CH₂-O-H      Pentanol

Helium gas has a molar mass of 4 g/mol. oxygen gas has a molar mass of 32 g/mol. how much faster or slower would helium effuse than oxygen from a small opening

Answers

According to Graham's Law of Diffusion,"the rates of diffusion of two gases are inversely proportional to the square root of their Molar masses or Densities at the same pressure and temperature".

                                     r₁ / r₂  =  [tex] \sqrt{M2 / M1} [/tex]
Where,
            r₁  =  Rate of Helium

            r₂  =  Rate of Oxygen

            M₂  =  Molar mass of Oxygen  =  32 g/mol

            M₁  =  Molar mass of Fluorine  =  4 g/mol

Putting values,

                                           r₁ / r₂  =  [tex] \sqrt{32 / 4} [/tex]

                                           r₁ / r₂  =  [tex] \sqrt{8} [/tex]

                                           r₁ / r₂  =  2.82
Result:
            Helium gas effuses 2.82 times faster than Oxygen gas.

What is the concentration, in mass percent, of a solution prepared from 50.0 g nacl and 150.0 g of water?

Answers

concentration as a mass percentage is the percentage of mass of solute from the whole mass of the mixture
whole mass of the mixture - 50.0 g + 150.0 g = 200.0 g 
mass of solute - 50.0 g 
mass percentage = mass of NaCl / mass of total mixture x 100% 
w/w % = 50.0 g / 200.0 g x 100 % = 25 %
mass percentage of NaCl is 25 %

Which two layers of Earth are mainly composed of metallic elements such as nickel and iron, which are abundant in meteoroids and comets?

Answers

This layer of the earth lies between the mantle and the solid inner core. It is the only liquid layer, a sea of mostly iron and nickel about 1,400 miles. The lava is mostly made up of iron and nickel. The outer core creates the Earth's magnetic field. The final layer is the inner core, which is 900 miles deep. Scientists believe the inner core is a solid ball of iron and other minerals.

This layer of the earth lies between the mantle and the solid inner core. It is the only liquid layer, a sea of mostly iron and nickel about 1,400 miles. The lava is mostly made up of iron and nickel. The outer core creates the Earth's magnetic field. The final layer is the inner core, which is 900 miles deep. Scientists believe the inner core is a solid ball of iron and other minerals.

What volume does 43.5 g of n2 occupy at stp? (r = 0.08206 l⋅atm/mol⋅k)?

Answers

Answer is: volume of nitrogen is 34.72 liters.
m(N₂) = 43.5 g.
n(N₂) = m(N₂) ÷ M(N₂).
n(N₂) = 43.5 g ÷ 28 g/mol.
n(N₂) = 1.55 mol, amount of substance.
T = 273 K, standard temperature.
p = 1 atm, standard pressure.
R = 0.08206 L·atm/mol·K, universal gas constant.
Ideal gas law: p·V = n·R·T.

V = n·R·T / p.
V(N₂) = 1.55 mol · 0.08206 L·atm/mol·K · 273 K / 1.00 atm.
V(O₂) = 34.72 L.

we are going to use this formula:

PV= n RT

when at STP

p is the pressure = 1 atm

and n is the moles = mass /molar mass = 43.5 g /28g/mol

                                                                  = 1.56 moles

R is the ideal gas constant = 0.0821 

and T is a temperature in Kelvin = 273 K

by substitution, we will get V (the volume)

1 atm *  V = 1.56 moles* 0.0821 *273K

∴ V = 34.96 L

Predict whether or not a precipitate forms upon mixing 175.0 ml of a 0.0055 mkcl solution with 145.0 ml of a 0.0015 m agno3 solution. identify the precipitate, if any.

Answers

there would be no precipitate unless there is an aqueous solution (aq) or water (w) identified in the question... I think. 

A compound contains 46.7% nitrogen and 53.3% oxygen by mass. What is the empirical formula of the compound?

Answers

The empirical   formula  of a compound that contain 46.7 % nitrogen and 53.3% oxygen is calculated as below

find the moles of each element
that is , mole =% composition/molar mass
nitrogen (N)=46.7 / 14=3.33 moles

oxygen (O)=53.3 / 16 = 3.33 moles

divide each  mole  with the  smallest  number of mole to  get the mole ratio that is 3.33 moles


nitrogen (N) = 3.33/3.33 = 1
oxygen(O) = 3.33/3.33 =1

therefore the empirical formula = NO

What type of bond would occur between carbon (C) and nitrogen (N)?
A. Metallic bond
B. Ionic bond
C. Paired bond
D. Covalent bond

Answers

Nitrogen and carbon are nonmetals , so D. Covalent bond

The osmotic pressure of a solution formed by dissolving 45.0 mg of aspirin (c9h8o4) in enough water to make 0.250 l of solution at 25°c is ________ atm

Answers

Answer is: osmotic pressure of aspirin is 0.025 atm.
m(C₉H₈O₄) = 45.0 ÷ 1000 mg/g = 0.045 g.
n(C₉H₈O₄) = m(C₉H₈O₄) ÷ M(C₉H₈O₄).
n(C₉H₈O₄) = 0.045 g ÷ 180 g/mol.
n(C₉H₈O₄) = 0.00025 mol.
c(C₉H₈O₄) = n(C₉H₈O₄) ÷ V(solution).
c(C₉H₈O₄) = 0.00025 mol ÷ 0.25 L.
c(C₉H₈O₄) = 0.001 M.
T = 25°C = 298.15 K.
R = 0.08206 L·atm/mol·K, universal gas constant.
p = c · R · T.
p = 0.001 mol/L · 0.08206 L·atm/mol·K · 298.15 K.
p = 0.025 atm.
 
Final answer:

The osmotic pressure of the solution can be calculated using the formula Π = MRT. First, convert the mass of aspirin to moles, then calculate the molarity by dividing the moles by the volume. Finally, calculate the osmotic pressure using the molarity, ideal gas constant, and temperature.

Explanation:

The osmotic pressure of a solution can be calculated using the formula:

Π = MRT

Where Π is the osmotic pressure, M is the molarity of the solution, R is the ideal gas constant, and T is the temperature in Kelvin.

In this case, we are given the mass of aspirin and need to calculate the molarity to determine the osmotic pressure.

First, we need to convert the mass of aspirin to moles:

45.0 mg x (1 g/1000 mg) x (1 mol/180.16 g) = 0.000249 mol

Next, we need to calculate the molarity:

M = moles/volume = 0.000249 mol/0.250 L = 0.000996 M

Finally, we can calculate the osmotic pressure:

Π = (0.000996 M)(0.0821 L. atm/mol. K)(298 K) = 0.0246 atm

What is the lowest possible value of n for a d atomic orbital?

Answers

Answer is: the lowest possible value of n is 3, that is 3d atomic orbital.
The principal quantum number (n) is one of four quantum numbers which are assigned to each electron in an atom to describe that electron's state.
The principal quantum number shows the most probable distance of the electrons from the nucleus.
For n=3, there are 3 orbitals: 3s, 3p and 3d.

Identify the missing daughter nucleus in the β– emission decay of 106ru below.

Answers

β emission is an emission of an electron from the parent atom while converting a neutron into a proton. Hence, the formed daughter nucleus has the same number of mass but the atomic number is higher by 1 and number of neutrons is lower by one than the parent atom.

After a β⁻ emission of ¹⁰⁶Ru, the formed daughter nucleus should have 106 as mass number but (44 + 1) = 45 as the atomic number.  

Hence the daughter nucleus is Rh (Rhodium) which has 45 protons (atomic number).

A 100.0 ml sample of 0.10 m ca(oh)2 is titrated with 0.10 m hbr. determine the ph of the solution after the addition of 400.0 ml hbr. the chemical equation is below. ca(oh)2 (aq) + 2hbr (aq) → cabr2 (aq) + h20 (l)

Answers

the balanced equation for the reaction is as follows;
Ca(OH)₂ + 2HBr --> CaBr₂ + 2H₂O
stoichiometry of Ca(OH)₂ to HBr is 1:2
number of Ca(OH)₂ moles reacted - 0.10 mol/L x 0.1000 L = 0.010 mol
Number of HBr moles added - 0.10 mol/L x 0.4000 = 0.040 mol 
1 mol of Ca(OH)₂ needs 2 mol of HBr for neutralisation
therefore 0.010 mol of Ca(OH)₂  needs - 0.010 x 2 = 0.020 mol of HBr to be neutralised
but 0.040 mol of HBr has been added therefore number of moles of HBr in excess - 0.040 - 0.020 = 0.020 mol 
then pH of the medium can be calculated using the excess H⁺ ions
HBr is a strong acid therefore complete ionization
[HBr] = [H⁺]
[H⁺] = 0.020 mol / (100.0 + 400.0 mL)
      = 0.020 mol / 0.5 L 
      = 0.040 mol/L
pH = -log[H⁺] 
pH = - log [0.040 M]
pH = 1.40
pH of the medium is 1.40

A percent composition analysis yields 46.7% nitrogen and 53.3% oxygen. What is the empirical formula for the compound

Answers

empirical formula is the simplest ratio of whole numbers of components in a compound
calculating for 100 g of compound 
                                                     N                                   O
mass                                          46.7 g                              53.3 g
number of moles                  46.7 g / 14 g/mol                 53.3 g / 16 g/mol 
                                                  = 3.33                               = 3.33
divide by the least number of moles 
                                                3.33/ 3.33 = 1.00              3.33/3.33 = 0
number of atoms 
N - 1
O - 1
therefore empirical formula is NO

Answer:NO

Explanation:

it just is

Which of the following classes of organic compounds has COOH as the functional group

Alkane
Carboxylic acid
Aldehyde
Ether

Answers

-COOH as the functional group has class of carboxylic acids.

Carboxylic acid is an organic compound that has COOH as the functional group.

What are functional groups?

Functional group is defined as a substituent or group of toms or an atom which causes chemical reactions.Each functional group will react similarly regardless to the parent carbon chain to which it is attached.This helps in prediction of chemical reactions.

The reactivity of functional group can be enhanced by making modifications in the functional group .Atoms present in functional groups are linked to each other by means of covalent bonds.They are named along with organic compounds according to IUPAC nomenclature.

Functional group inter conversion is also possible by retro -synthesis.In some cases , functional groups can be charged molecules.

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What volume of hydrogen will be produced at STP by the reaction of 78.33 g of aluminum with excess water

Answers

the balanced equation for the above reaction is 
2Al + 6H₂O ---> 2Al(OH)₃ + 3H₂
stoichiometry of Al to H₂ is 2:3
number of Al moles reacted - 78.33 g / 27 g/mol = 2.901 mol
according to molar ratio 
2 mol of Al forms - 3 mol of H₂
therefore 2.901 mol of Al - forms 3/2 x 2.901 = 4.352 mol

molar volume states that 1 mol of any gas occupies a volume of 22.4 L at STP
if 1 mol occupies 22.4 L
then 4.352 mol occupies - 22.4 L/mol x 4.352 mol = 97.48 L
volume occupied by H₂ is 97.48 L
Final answer:

The reaction of 78.33 g of aluminum with excess water will produce approximately 97.44 L of hydrogen gas at standard temperature and pressure.

Explanation:

The reaction of aluminum with water produces hydrogen gas. To determine the volume of hydrogen that will be produced, you have to use stoichiometry.

Firstly, we need to convert the mass of aluminum to moles of aluminum using its atomic mass (26.98 g/mol). So, 78.33 g Al * (1 mol Al / 26.98 g Al) = ~2.90 moles of Al.

Secondly, we use the balanced chemical reaction for the reaction of aluminum with water, which is 2Al + 6H2O -> 2Al(OH)3 + 3H2. This shows us that for every 2 moles of Al reacted, 3 moles of H2 are produced.

Therefore, if we have 2.90 moles of Al, it would produce (2.90 moles Al * 3 moles H2 / 2 moles Al) = ~4.35 moles of H2.

Finally, at STP conditions, 1 mole of any gas occupies a volume of 22.4 L. Therefore, 4.35 moles of H2 will occupy (4.35 moles H2 * 22.4 L/mol) = 97.44 L of H2.

So, the reaction of 78.33 g of aluminum with excess water will produce approximately 97.44 L of hydrogen gas at STP.

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What is the ph of a solution with [h3o+] = 1 × 10-9 m?

Answers

pH scale is used to determine how acidic, basic or neutral a solution is
pH can be calculated using the H₃O⁺
ph can be calculated as follows
pH = - log[ H₃O⁺]
[H₃O⁺] = 1 x 10⁻⁹
pH = - log [1 x 10⁻⁹]
 pH = 9
pH of solution is 9
Final answer:

The pH of a solution with a hydronium ion concentration of 1 × 10-9 M is 9, indicating that the solution is basic.

Explanation:

The pH of a solution is calculated by taking the negative logarithm of the hydronium ion concentration ([H3O+]). In this case, the hydronium ion concentration is given as 1 × 10-9 M. To find the pH of the solution, you would use the following equation:

pH = -log [H3O+]

In this example:

pH = -log(1 × 10-9)

Therefore, the pH is 9.

Since pH values less than 7.0 are acidic, values greater than 7.0 are basic, and a pH of 7.0 is neutral, this solution with a pH of 9 is considered basic.

What volume of so2 is produced at 325 k and 1.35 atm when 15.0 grams of hcl reacts with excess k2so3?

Answers

the balanced equation for the above reaction is as follows;
2HCl + K₂SO₃ ---> 2KCl + H₂O + SO₂
stoichiometry of HCl to SO₂ is 2:1
number of moles of HCl reacted - 15.0 g / 36.5 g/mol = 0.411 mol 
according to molar ratio 
number of SO₂ moles formed - 0.411 mol /2 = 0.206 mol
since we know the number of moles we can find volume using ideal gas law equation 
PV = nRT
where
 P - pressure - 1.35 atm x 101 325 Pa/atm = 136 789 Pa 
V - volume 
n - number of moles - 0.206 mol 
R - universal gas constant - 8.314 Jmol⁻¹K⁻¹
T - temperature - 325 K
substituting values in the equation 

136 789 Pa x V = 0.206 mol x 8.314 Jmol⁻¹K⁻¹ x 325 K 
V = 4.07 L 
volume of SO₂ formed is 4.07 L


Final answer:

First, the balanced chemical reaction between HCl and K2SO3 is figured out. Then, using the molar mass of HCl, the number of moles are calculated. Finally, using the ideal gas law, the volume of SO2 produced is calculated as around 5.61 litres.

Explanation:

First, we need to figure out the balanced chemical reaction. The reaction of HCl with K2SO3 produces KCl, H2O, and SO2. The balanced reaction equation would look like this: 2HCl + K2SO3 -> 2KCl + H2O + SO2.

Next, we need to find out how many moles of HCl we have. 15.0 grams of HCl is around 0.411 moles (since molar mass of HCl is approximately 36.46 g/mol). According to the balanced reaction, for every 2 moles of HCl, we get 1 mole of SO2. Hence, our 0.411 moles of HCl would produce around 0.205 moles of SO2.

Finally, to find the volume of SO2 produced we can use the ideal gas law: PV=nRT. Given: Pressure(P) = 1.35 atm, Gas constant(R) = 0.0821 L.atm/(mol.K), Temperature(T) = 325K. By substituting these values in the ideal gas law, we get the volume (V) as 5.61 Litres.

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Which one of the following compounds is not covalent?

A. HCI
B. S2CI2
C. KCI
D. SCI2


(P.S. The answer turned out to be C. KCI)

Answers

KCI is not a covalent compound, it is an ionic compound. 
A covalent compound is one in which each of the atoms involved contribute a specific number of electrons for sharing in order to from stable compound while an ionic compound is a compound formed when one atom donates electron to the other atom in the compound, in order to attain stability.  The compounds given in options A, B and D shared electrons while in KCl, potassium donates an electron to chlorine.

Answer:

KCl

Explanation:

Hello,

Potassium chloride is well-known as an ionic compound owing to the shown-below greater-than-1.7 difference between the electronegativities of potassium and chlorine:

[tex]\Delta E=E_{Cl}-E_K=3.16-0.82\\\Delta E=2.34[/tex]

This is by cause of the fact that such compounds that have a difference in the constituent elements' electronegativities greater than 1.7 are considered as ionic.

Best regards.

You make a solution by putting 45.6g of iron lll carbonate into 167ml of water. What is it's molarity?

You also need 25ml of a .672M Nickel ll hydroxide solution. Explain how to make that.

Now write the balanced equation that occurs when you put these two reactants together. The molarity of the iron product will be .05 and the molarity of the nickel product will be 1.45. At equilibrium, what will be favored?

Answers

1. The molar mass of Fe2(CO3)3 is 291.72 g/mol. This means that 45.6 g is equivalent to 0.156 mol. Dividing by the 0.167 L of water gives a solution of 0.936 M.
2. Multiplying (0.672 M)(0.025 L) = 0.0168 mol. The molar mass of Ni(OH)2 is 92.71 g/mol, so multiplying by 0.0168 mol = 1.56 grams. Therefore you would need to dissolved 1.56 g of Ni(OH)2 into 25 mL of water.
3. Fe2(CO3)3 + Ni(OH)2 --> Fe(OH)3 + NiCO3Balancing: Fe2(CO3)3 + 3Ni(OH)2 --> 2Fe(OH)3 + 3NiCO3The reaction quotient is:[Fe(OH)3]^2 * [NiCO3]^3 / [Fe2(CO3)3][Ni(OH)2]^3= (0.05)^2 * (1.45)^3 / (0.936)(0.672)^3= 0.0268Since this is < 1, it implies that the reactants are favored at equilibrium.

This tea kettle shows a change in the state of matter of water. Which part of the water cycle represents the same change in state?

Answers

Puddled water freezes to form ice.

Answer:

The answer to the question you asked, "This tea kettle shows a change in the state of matter of water. Which part of the water cycle represents the same change in state?", is D. Lake water evaporates into the atmosphere.

Explanation:

The process of evaporation refers to the changing state of water from liquid to gaseous (vapor) state.

In the given condition, a tea kettle is placed, where the water evaporates due to the increased amount of heat provided to it. This allows the water to evaporate into the atmosphere forming water vapor.

One of the cases that shows a similar changing state of water is the evaporation of the lake water due to the high absorption of solar energy, that releases water vapor into the atmosphere.

Thus, the correct answer is option (D).

Calcium carbonate reacts with hydrobromic acid to form calcium bromide, carbon dioxide, and water according to the reaction below. what is the molarity of the hydrobromic acid if 250.0 ml of it reacts with 5.64 grams of calcium carbonate?

Answers

the balanced equation for the above reaction is as follows
CaCO₃ + 2HBr ---> CaBr₂ + CO₂ + H₂O
stoichiometry of CaCO₃ to HBr is 1:2
number of moles of CaCO₃ reacted - 5.64 g / 100 g/mol = 0.0564 mol 
according to molar ratio
number of HBr moles - 0.0564 mol x 2 = 0.1128 mol 
number of HBr moles in 250.0 mL - 0.1128 mol
therefore number of HBr moles in 1000 mL - 0.1128 mol / 250.0 mL x 1000 mL = 0.4512 mol 
molarity of HBr - 0.4512 M

An excited state of a particular atom has a mean lifetime of 6.2×10−10 s , which we may take as the uncertainty δt.

Answers

According to Heisenberg's Uncertainty Principle,
ΔE×Δt ≥  h/(4π)
where h = planck's constant = 6.63 × [tex] 10^{-34} [/tex] J.s

Hence, ΔE ≥ [tex] \frac{h}{4.pi.delta(t)} [/tex] = [tex] \frac{6.63X 10^{-34} }{4X3.142X6.2X 10^{-10}} [/tex]
∴, ΔE ≥ 8.5086 X [tex] 10^{-26} [/tex] J
 

Why is the molar solubility of silver chloride lower in an aqueous solution of silver nitrate than in pure water?

Answers

Answer is: because silver cations are common ions in both chemical dissociation in water for this salts, so silver cations shift dissociation od silver chloride to the ledt according Le Chatelier's principle.
Chemical reaction (dissociation) of silver chloride in water:
AgCl(s) → Ag⁺(aq) + NO₃⁻(aq).
Chemical reaction (dissociation) pf silver nitrate in water:
AgNO₃ → Ag⁺(aq) + NO₃⁻(aq).

The ka of hf is 6.8 x 10-4. what is the ph of a 0.35 m solution of hf?

Answers

when the reaction equation is:

HF ↔ H+   +   F-

and when the Ka expression
= concentration of products/concentration of reactions

so, Ka = [H+][F-]/[HF]

when we assume:

[H+] = [F-] = X

and [HF] = 0.35 - X

So, by substitution:

6.8 x 10^-4 = X^2 / (0.35 - X) by solving for X

∴ X = 0.015 M

∴[H+] = X = 0.015

when PH = -㏒[H+]

∴PH = -㏒0.015

        = 1.8

PLZ HELP ASAP IWILL GIVE BRAINLIEST coastline on Earth experienced a high tide at 6 a.m. At what approximate time will the next low tide occur, and why?

6 p.m., because the coastline will turn 90 degrees from the moon
6 p.m., because the coastline will turn 180 degrees from the moon
12 noon, because the coastline will turn 90 degrees from the moon
12 noon, because the coastline will turn 180 degrees from the moon

Answers

When the Earth experienced a high tide at 6 a.m, the approximate time will the next low tide occur will be C. 12 noon, because the coastline will turn 90 degrees from the moon.

How to explain the tide?

It should be noted that all around the world, the water is rising and falling at a point. When, it rises, it's known a a high tide.

In this case, when it falls, it's know a a slow tide. The low tide occurs on every 12 hours which is 6 hours after the high tides. Therefore, the correct option is C.

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The next low tide will occur at 12 Noon, because the coastline will turn 90 degrees from the moon.

Explanation:

All around the world, along the coastlines, it can be noticed that everyday the water is rising at some points, and then it is retracting at some points. When the water rises it is called a high tide, while when the water is retracting it is called low tide. Both of these tides occur twice every day.

In this case, we have a high tide occurring at 6 AM, meaning that the other high tide will occur at 6 PM, when the moon circles by 180 degrees from the coastline. The low tide also occurs on every 12 hours, which occurs roughly 6 hours after the high tides, so in this case the low tides will occur at 12 Noon and at 12 Midnight. There are variations among the tides, depending on the relative position of the Earth, Moon, and Sun towards each other, some being:

How many different isomers can be derived from ethylene if two hydrogen atoms are replaced by a fl uorine atom and a chlorine atom? draw their structures and name them. indicate which are structural isomers and which are geometric isomers?

Answers

Answer:
             THREE different isomers can be derived from ethylene if two hydrogen atoms are replaced by a fl uorine atom and a chlorine atom.

Explanation:
                   When two Hydrogen atoms in ethylene (C₂H₄) are replaced with Fluorine and Chlorine atom then the new molecular formula is C₂H₂FCl.
                    Compounds having same Molecular formula but different structural formula are called as Isomers.
                     First Isomer of C₂H₂FCl is 1-chloro-1-fluoroethene, in which F and Cl at geminal position (attached to same Carbon atom).
                     Other two Isomers are Geometrical Isomers of 1-chloro-2-fluoroethene, in which F and Cl at different carbon atom and having different position is space. The one in which both F and Cl at opposite side forms (trans)-1-chloro-2-fluoroethene and the one in which both are in same side is called as (cis)-1-chloro-2-fluoroethene.

In an ionic bond:
A. The atoms swap electrons.
B. Both atoms share their electrons.
C. The atoms attract each other but their electrons do not interact.
D. One atom accepts electrons from another.

Answers

Correct answer is 
D. One atom accepts electrons from another.

Answer:

One atom accepts electrons from another.

Explanation:

Answer via Educere/ Founder's Education

How many neutrons must an 5626fe nucleus capture to generate the unstable intermediate [7326fe] according to the equation: 5626fe+ ? 10n→[7326fe]?

Answers

₂₆⁵⁶Fe has 26 as the atomic number and 56 as mass number.
Mass number = number of protons + number of neutrons.
Since, atomic number = number of protons = 26,
number of neutrons = 56 - 26 = 30

Likewise,₂₆⁷³ Fe has 26 protons and 73 mass.
Hence the number of neutrons = 73 - 26 = 47

Hence, gained neutrons = 47 - 30 = 17

Hence, the equation should be,
₂₆⁵⁶Fe + 17n → ₂₆⁷³ Fe 

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What is the number of moles hydrogen produced when 6 moles of sodium are used?

2Na + 2H2O -> 2NaOH + H2

Answers

the  number of moles hydrogen produced when 6 moles of sodium are used is calculated  as below

2Na + 2H2O = 2NaOH  +H2

by use of mole ratio between Na to H2 which is 2:1 the moles of H2 is therefore

= 6 x1/2 = 3  moles of H2

write the proper word equation to express the following chemical reaction: 3Li (s) + AuCI3 (aq) -> 3LiCI (aq) + Au(s)

Answers

word equation -
3 mol of solid lithium reacts with 1 mol of aqueous gold trichloride to form 3 mol of aqueous lithium chloride and 1 mol of solid gold.
this is a single displacement reaction.
Li is placed above Au in the reactivity series. Therefore Li is more reactive than Au. Since Li is more reactive than Au it can displace Au from the compound AuCl₃. 
Therefore its called a single displacement since Li displaces Au from its compound and takes the place of Au and make a new compound AuCl₃.

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