Answer:
H2SO4
Explanation:
OTHER ACIDS ARE WEAK ACIDS AND A VERY FEW AMOUNT OF H+ ARE RELEASED TO THE MEDIUM
The 1.0 M acid solution with the largest concentration of hydronium [H3O+] is H2SO4 (sulfuric acid). H2SO4 is a strong acid that completely ionizes in water, resulting in a high concentration of hydronium ions.
Explanation:The 1.0 M acid solution with the largest concentration of hydronium [H3O+] is H2SO4 (sulfuric acid).
When an acid dissolves in water, it donates hydrogen ions (H+) to form hydronium ions (H3O+). The concentration of hydronium ions is directly related to the strength of the acid. In this case, H2SO4 is a strong acid, meaning it completely ionizes in water, resulting in a high concentration of hydronium ions.
On the other hand, HNO2 (nitrous acid), H2CO3 (carbonic acid), and H3BO3 (boric acid) are all weak acids, meaning they only partially ionize in water and produce lower concentrations of hydronium ions.
What kind of boundary is shown in the image below?
Just did this
the answer is divergent.
just got done doing this haha its divergent
Why are people against saving the ozone layer?
Bella notices when she looks through a magnifying glass objects appear to be larger. A magnifying glass is used to magnify, or makes objects look larger. It uses a special lens mounted in a frame and usually has a handle. What type of lens does a magnifying glass have?
convex
prism
reflecting
concave
Energy from food is measured in..
1) Joules
2) Watts
3) Calories
4) Kilograms
If the molecular mass of tetraoxosulphate(VI) acid is 98, calculate it's vapour density.
From which sphere does most water evaporate
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Is air pressure greater at the equator than at the north pole?
Which of the following sequences correctly displays the energy transformation from the inside of a battery to the igniter inside a car's engine? A. Heat Energy Electrical Energy Chemical Energy B. Electrical Energy Chemical Energy Heat Energy C. Chemical Energy Electrical Energy Heat Energy D. Chemical Energy Mechanical Energy Heat Energy
its Chemical Energy, Electrical Energy, Heat Energy. i just had this one.
Would you classify silicone as a element or compound
Which of the following describes a negative affect that global warming could have on plant life on Earth?
I. Increased levels of CO2 that are associated with global warming will allow plants to perform photosynthesis more efficiently. II. Global warming may cause drought conditions in some areas, which would limit the amount of water available to plants in those areas. III. Global warming may cause severe flooding in some areas, which could inhibit photosynthesis if a plant's leaves and stems are submerged. IV. Global warming can cause an increase in the growing season of plants, allowing them to reproduce more often.
Answer:
II. Global warming may cause drought conditions in some areas, which would limit the amount of water available to plants in those areas.
III. Global warming may cause severe flooding in some areas, which could inhibit photosynthesis if a plant's leaves and stems are submerged.
Explanation:
Global warming is one of the effects of climate change. It is simply the warming of the surface of the earth as result of increase in temperature on the earth surface.
Global warming results from increase in levels of greenhouse gases in the earth's atmosphere. These gases prevents radiation from leaving the earth surface thereby leading to increase in temperature. The more the gases, the more the spike in temperature.
This increase in temperature can lead to drought.
As the earth also warms, polar ice can melt which can increase the level of water in the world's oceans and then flooding of coastal areas.
Explanation - Global warming is an increase in the surface air temperature of the Earth. Human activities such as the burning of fossil fuels are contributing to a current episode of global warming. Many scientists predict that current global warming will cause an increase in extreme weather conditions, such as flooding and drought.
Drought conditions limit the amount of water available to plants. Plants cannot live without sufficient water. On the other hand, too much water can cause excessive flooding, which can inhibit photosynthesis in plants if a plant's leaves and stems are submerged.
Increasing CO2 levels and increasing growing seasons are both positive effects that global warming could have on plant life on Earth.
Which of the following changes the solid Earth the most?
51.8 g of magnesium sulfate heptahydrate is heated in an oven until all the water is driven off. What is the mass of the anhydrous compound?.
The mass of the anhydrous compound is -655.29 g.
Explanation:To determine the mass of the anhydrous compound, we first need to calculate the mass of the water that is driven off during heating. The molar mass of water is 18.015 g/mol, so the mass of the water is 51.8 g * (7 * 18.015 g/mol) = 707.09 g. Subtracting this from the initial mass of the compound gives us the mass of the anhydrous compound: 51.8 g - 707.09 g = -655.29 g.
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Which of the following situations is accurate regarding the transfer of heat? Thermal energy from the refrigerator is transferred to a hot pie.
An ice cube loses heat to a warm glass of water.
A warm cup of tea transfers heat to cold hands.
An open door on a freezer cools a warm room.
Final answer:
In the given situations, the accurate statement regarding the transfer of heat is: An ice cube loses heat to a warm glass of water.
Explanation:
Heat is the transfer of energy from an object with a higher temperature to an object with a lower temperature. In the given situations, the accurate statement regarding the transfer of heat is:
An ice cube loses heat to a warm glass of water.
When the ice cube comes into contact with the warm glass of water, heat energy is transferred from the water molecules in the ice cube to the water molecules in the glass, causing the ice cube to melt.
How would you best describe the texture of an igneous rock that formed extremely slowly underground
Answer;
Pegmatitic
Explanation;
-The texture of igneous rocks can be analyzed by geologists to understand the manner in which the rock became solid or crystallized from liquid, or how it is a melted rock. A pegmatitic texture is one in which the mineral grains are exceptionally large.
-Igneous rocks may be identified by determining their composition and texture. Once the two characteristics have been identified, the Igneous Rock Identification chart is used to identify the name of the rock.
What causes an element from the periodic table to be more or less reactive?
What has MOST LIKELY caused a change in the soil in the wheat field shown? A) crystallization B) erosion C) sedimentation D) weathering
Erosion, i took the test
Ca3(PO4)2 + 3 SiO2 + 5 C → 3 CaSiO3 + 5 CO + 2 P
Given the balanced reaction above, what mass (in grams) of phosphorus is produced if 36 g C react?
Final answer:
To find the mass of phosphorus produced, we calculate the moles of carbon from the given mass, then use the balanced reaction to find the ratio of carbon to phosphorus, which allows us to calculate the moles and consequently the mass of phosphorus. The mass of phosphorus produced is approximately 37.164 grams.
Explanation:
Calculating the Mass of Phosphorus Produced
To calculate the mass of phosphorus produced when 36 g of C react in the given balanced reaction, we first need to find out how many moles of C this mass corresponds to. Carbon has an atomic mass of approximately 12.01 g/mol. Using this, we calculate the moles of C by dividing the given mass by the molar mass of carbon:
moles of C = 36 g / 12.01 g/mol = 2.998 moles of C (approximately 3 moles)
Next, from the balanced reaction equation, we see that 5 moles of C produce 2 moles of P. So, for 3 moles of C, we use a simple ratio to find the moles of P produced:
3 moles C : x moles P = 5 moles C : 2 moles P
We can cross-multiply and solve for x to find the moles of P:
x = (3 moles C × 2 moles P) / 5 moles C = 1.2 moles P
Phosphorus has an atomic mass of approximately 30.97 g/mol. Now we convert the moles of phosphorus to grams:
mass of P = 1.2 moles P × 30.97 g/mol = 37.164 g
Therefore, the mass of phosphorus produced is approximately 37.164 grams.
List four ways you can avoid injury while using HCl and three steps you would take in case of an accidental exposure to HCl need the answer asap
Answer:
Explanation: Four ways you can avoid injury while using HCl -
a) It's concentrated form is highly toxic so better use in the experiment hood.
b) Don't inhale its fumes.
c) Use lab coat while performing experiments.
d) Protect your eyes by wearing eye glare.
Three steps you would take in case of an accidental exposure to HCl -
a) Inform the lab assistant and teachers regarding the mishap.
b) Don't try to use any kind of ointment or medicated thing on the affected area without any medical advice.
c) You can use sodium bicarbonate to neutralize it.
Compare and contrast global winds and local winds
Answer:
LOCAL WINDS: Include sea breezes, blow over short distance, include land breezes
GLOBAL WINDS: Blow over a long distance, curve due to the Coriolis effect, flow from poles to the equator
Explanation:Explanation:
e2020
Localized winds are those that cover a small area. Local geography, such as being close to an ocean, has an impact on them.
What defines Localized winds?
Local winds are those that only cover a small region. Between tiny low and high pressure systems, local winds blow.
They are impacted by the topography of the area. Local winds can be influenced by proximity to an ocean, lake, or mountain range.
Along with monsoons, they also contain land and ocean breezes. Around the world, belts of global winds are present.
Thus, Localized winds are those that cover a small area. Local geography, such as being close to an ocean, has an impact on them.
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which factor would increase the carrying capacity for a white-tailed deer in an eastern temperate forest ecosystem
Answer:
Development of natural reserves of forest land and crack down on hunting
Explanation:
White-tailed deer also known as Virginia deer is a small to medium-sized deer common to North America, and South America. Deer coat is reddish-brown in spring and summer they turn grey-brown through the fall in winter. A resident of the temperate grasslands adapted themselves to open lands of prairie, and savanna woodlands. They commonly eat leguminous crops and forge on other crops including leaves, cacti, and shoots. They also eat acorns, fruit, and corn. Due to climate change and the influence of man majority of deer have migrated and the impact of diseases has also reduced the large deep population which can be overcome by rehabilitation programs so as their original habitats are ensured.A plant grows toward the light because ________ in the plant cause some cells to grow longer than others.
Which statement about trade during the period of the Roman Empire is correct? A. Trade supplied Romans with exotic goods and helped spread new ideas. B. Trade was confined to food staples transported over short distances. C. Most of the empire's outlying territories refused to trade with Rome. D. A lack of paved, well-maintained overland routes hampered Roman trade.
Option A i.e Trade supplied Romans with exotic goods and helped spread new ideas is the correct answer.
The Roman Empire was the center of trade between the East and the West. Besides trade of goods, the trade helped Spread new ideas and culture of East and the West in the Rome. So Trade routes were dissemination of new ideas and culture in the past.
How are fossil fuels used in the harvesting of fresh apples from an apple tree?
A. Fossil fuels power the rainwater used by the tree.
B. Fossil fuels power the ripening of the apples.
C. Fossil fuels power the person picking up apples from the ground.
D. Fossil fuels power the machine that shakes the tree so that the apples to the ground.
Answer: The correct answer is : D. Fossil fuels power the machine that shakes the tree so that the apples to the ground.
Explanation: The use of fossil fuels has been incorporated into food production since 1950 in the form of kinetic energy, pesticides, and other products used in production. Fossil fuels are non-renewable materials such as petroleum (oil and gas) and coal.
9. According to the map, where would the strongest winds be expected?
In the middle near Colorado.
What is the difference between rotation and revolution?
when 2.85 moles if chlorine reacts with excess tin hiw many moles of tin(IV)chloride are formed
When 2.85 moles of chlorine reacts with excess tin, 1.425 moles of tin(IV) chloride are formed.
Stoichiometry Calculation
To solve this problem, we need to use the balanced equation for the reaction between chlorine (Cl₂) and tin (Sn) to form tin(IV) chloride (SnCl₄):
Sn + 2Cl₂ → SnCl₄
This equation tells us that 1 mole of Sn reacts with 2 moles of Cl₂ to produce 1 mole of SnCl₄. In this case, chlorine gas is in excess, meaning tin is the limiting reactant.
Steps:
First, determine the number of moles of chlorine gas available: 2.85 moles of Cl₂.From the balanced equation, 2 moles of Cl₂ react to form 1 mole of SnCl₄.Therefore, the moles of SnCl₄ formed can be calculated by dividing the moles of Cl₂ by 2:Moles of SnCl₄ = 2.85 moles Cl₂ / 2 = 1.425 moles of SnCl₄
So, when 2.85 moles of chlorine reacts with excess tin, 1.425 moles of tin(IV) chloride are formed.
why do sandy beaches from at many sea shores
Can nonsmokers hold their breath longer than people who smoke? Write the independent variable, the dependent variable, and the hypothesis.
balance the following chemical equations identify the type of reaction n2+f2–>nf3
Balance the chemical equations reaction n2+f2–>nf3 is 3N2 + 3F2 → 6NF3
To balance the chemical equation N2 + F2 → NF3, we need to make sure that there are equal numbers of each type of atom on both sides of the equation. Let's go through the steps to balance this equation:
1. Start by counting the number of atoms on each side of the equation. On the left side, we have 2 nitrogen (N) atoms and 2 fluorine (F) atoms. On the right side, we have 1 nitrogen (N) atom and 3 fluorine (F) atoms.
2. To balance the nitrogen atoms, we need to put a coefficient of 2 in front of NF3 on the right side. This gives us 2 nitrogen atoms on both sides.
N2 + F2 → 2NF3
3. Now let's check the number of fluorine atoms. On the left side, we have 2 fluorine (F) atoms, and on the right side, we have 6 fluorine (F) atoms.
4. To balance the fluorine atoms, we need to put a coefficient of 3 in front of F2 on the left side. This gives us 6 fluorine atoms on both sides.
3N2 + 3F2 → 6NF3
Now the equation is balanced, with equal numbers of nitrogen and fluorine atoms on both sides.
In terms of the type of reaction, this is a synthesis or combination reaction. In a synthesis reaction, two or more reactants combine to form a single product. In this case, nitrogen gas (N2) and fluorine gas (F2) react to form nitrogen trifluoride (NF3).
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