Under which conditions of temperate and pressure does oxygen gas behave least like an ideal gas

Answers

Answer 1

Answer: Under extremely high pressure and extremely low temperature. This is because part of the requirements of an ideal gas is that the atoms/molecules don't interact which brakes down at low temperatures and the atoms/molecules are point masses that have insignificant volumes compared to the volume the gas is in which breaks down at high pressures.

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Which substance increases in solubility as the temperature decreases? 1) KClO3
2) NH3
3) KNO3
4) NaCl

Answers

Answer:

The correct answer is 2.

Explanation:

The NH3 solubility curve shows that when the temperature increases, the solubility of the compound decreases. The molecule is not flat but has a tetrahedral shape with a vacant vertex, and this is due to the formation of hybrid sp³ orbitals. Unlike other compounds, the NH3 solubility curve has been experimentally tested and is attached for better understanding.

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NH₃ would. This is because of the fact that ammonia is a molecular gas while the other options are ionic crystals. Crystals increase in solubility when the temperature increases while gases increase in solubility while temperatures deceases.

I hope this helps. Let me know in the comments if anything is unclear or if you want me to explain anything is more detail.

A medium-temperature star like the Sun would most likely emit its most intense radiation as _____. A. Ultraviolet light B. Visible light C. Microwaves D. Radio waves

Answers

Answer:

The correct answer is option B, that is, visible light.

Explanation:

The Sun is a prime source of ultraviolet rays. Although the Sun discharges all of the distinct types of electromagnetic radiation, 99 percent of its rays are in the form of ultraviolet rays, visible light, and infrared rays. The Sun emits radiation all through the electromagnetic spectrum, that is, from extremely high-energy X-rays to ultra-lengthy wavelength radio waves, and everything that comes in between. However, the peak of the emission takes place in the visible part of the spectrum.

If 21.3 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 297 Kelvin and 1.40 atmospheres? Show all of the work used to solve this problem. 2Li (s) + 2H2O (l) yields 2LiOH (aq) + H2 (g

Answers

Hope it helped you.

What balances charges that may build up as reduction and oxidation occur in a voltaic cell?a.
the salt bridge
c.
the electrolyte solutions
b.
one of the half-cells
d.
the moving electrons

Answers

I think the correct answer from the choices listed above is option A. It is the salt bridge that balances charges that may build up as reduction and oxidation occur in a voltaic cell. The salt bridge is to maintain charge balance because the electrons are moving from one half cell to the other.

Answer: Option (a) is the correct answer.

Explanation:

In a voltaic cell, salt bridge is used for connecting oxidation and reduction half cells.

The main purpose of using salt bridge in a voltaic cell is that it helps in maintaining electrical neutrality in the internal circuit occurring at anode and cathode of the cell.

Without salt bridge in a voltaic cell there will be imbalance of charges as a result solution in anode compartment will become positively charged whereas solution in cathode compartment will become negatively charged.

Thus, we can conclude that the salt bridge balances charges that may build up as reduction and oxidation occur in a voltaic cell.

Is friction better on a hard or smooth surface?

Answers

Answer:

Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them. Heavier objects also have more friction because they press together with greater force. Friction produces heat because it causes the molecules on rubbing surfaces to move faster and have more energy.

Explanation:

Answer:

Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them.

Explanation:

What kind of atmosphere does a gas giant have?

Answers

The atmosphere is thick and gaseous. The most common gases are helium and hydrogen.

Other Questions

For an ideal gas, classify the following pairs of properties as directly or inversely proportional.P and T V and n T and V P and V P and n

1)What is not true of a scientific law?A) It must be verified by scientists around the world. B) It attempts to explain why things happen. C) It describes what happens in the world around us. D) It must be supported by many independent scientific investigations. 2)Observation and experimentation have led many scientists to accept a theory about the origin of the universe. This theory is called the Big Bang Theory. Scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. What makes this a scientific theory? A)It has been proven by several scientists independently, resulting in its being accepted as truth. B)It is based on the beliefs and opinions of the majority of the scientific community. C)It is an observation of the natural world that has been proven as fact. D)It is the best explanation that scientists can offer, based on many scientific investigations. 3)A scientist in Italy published his findings from a scientific investigation that he conducted. Other scientists from around the world conducted similar investigations to test the results. All of the investigations result in similar findings. What does this say about the findings of these investigations? A)They have been proven to be scientific fact because all the investigations gave similar findings. B)The findings are automatically promoted to a law because they were proven by so many scientists. C)They are ready to be published in the media and in text books as a new scientific theory. D)The results are considered more reliable because they were documented by separate investigations. 4)Which of the following is not an example of kinetic energy? A)mechanical energy B)nuclear energy C)electrical energy D)thermal energy

Which question would be scientifically reasonable for a student to ask about the layers of the Earth? A. Why does the temperature decrease as you move from the crust to the core?B. Why does density increase as you move from the crust to the core?C. Why does density decrease as you move from the crust to the core?D. Why is the inner core liquid iron and the outer core solid iron?

Which is a unique feature of Mercury? A. It is the only planet with permanent liquid water on its surface. B. It is the smallest planet and has the shortest period of revolution around the sun. C. The thick atmosphere—made mostly of carbon dioxide—absorbs solar radiation, heating up and helping make the atmosphere very hot. D. The planet’s surface is covered with red, iron-oxide dust