Q4 - Long Test 1

Which of the following is a correct statement about the gas laws?

• Breathing illustrates Boyle’s law.

•  Charles’ law illustrates that the volume of gas expands when temperature becomes higher.

• Avogadro’s law illustrates that the volume of gas is proportional to its mole number or say its quantity or amount.

•  All of the above are correct statements.

Which of the following phenomena best illustrates Charles’ Law?

• carbon dioxide being dissolved in water

• breathing apparatus being used by a patient

• leavening agent causing the fluffiness of cake products

• expansion of the balloon as it is being submerged in hot water

Which of the following samples is highly compressible at high pressure and expandable at high temperature?

• oxygen gas

• aluminum sheet

• water

•  ice

What do you expect to happen to the volume of a gas if its pressure is doubled and its temperature is reduced to half?

•  its volume is increased

• its volume is doubled

• its volume remains unchanged

• its volume is decreased

Determine what will happen to the temperature of a confined gas as the pressure decreases.

• the gas temperature stays the same

• the gas temperature increases

• the gas temperature decreases

•  there is no enough data

Which example has particles that can be drawn closer to occupy smaller volume?

• fruit juice

• air inside the syringe

• block of wood

• ice cube

What law explains the mechanism of gas compressor?

• Boyle’s Law

• Charle’s Law

• Combined Gas Law 

• Ideal Gas Law

What gas law best explains the explosion of the heated aerosol container?

• Boyle’s Law

• Charle’s Law

• Combined Gas Law

• Ideal Gas Law

What gas law explains the relationship among the volume, pressure, temperature, and the number of moles of gases?

• Boyle’s Law

• Charle’s Law

• Combined Gas Law 

• Ideal Gas Law

What will happen to the gas pressure as the temperature increases, if the amount and volume of the gas are kept constant?

• the gas pressure remains the same

• the gas pressure increases

• the gas pressure decreases

• there is no significant effect