#1
Which gas law describes the relationship between pressure and volume, assuming constant temperature and amount of gas?
Boyle's law
ExplanationBoyle's law states that the pressure of a given mass of gas is inversely proportional to its volume, assuming constant temperature and amount of gas.
#2
What is the mathematical expression of Boyle's law?
P1V1 = P2V2
ExplanationBoyle's law can be mathematically expressed as P1V1 = P2V2, where P1 and V1 are the initial pressure and volume, and P2 and V2 are the final pressure and volume.
#3
What is the SI unit of pressure?
Pascal (Pa)
ExplanationThe SI unit of pressure is the Pascal (Pa).
#4
Which gas law describes the relationship between pressure and temperature, assuming constant volume and amount of gas?
Gay-Lussac's law
ExplanationGay-Lussac's law states that the pressure of a given mass of gas is directly proportional to its absolute temperature, assuming constant volume and amount of gas.
#5
Which gas law states that the volume of a given mass of gas is directly proportional to its temperature, assuming constant pressure and amount of gas?
Charles's law
ExplanationCharles's law states that the volume of a given mass of gas is directly proportional to its temperature, assuming constant pressure and amount of gas.
#6
What is the mathematical expression of Gay-Lussac's law?
P1/T1 = P2/T2
ExplanationGay-Lussac's law can be mathematically expressed as P1/T1 = P2/T2, where P1 and T1 are the initial pressure and temperature, and P2 and T2 are the final pressure and temperature.
#7
According to Charles's law, what happens to the volume of a gas when its temperature increases, assuming constant pressure?
It increases
ExplanationCharles's law states that the volume of a given mass of gas is directly proportional to its temperature, assuming constant pressure and amount of gas.
#8
Which gas law combines Boyle's law, Charles's law, and Avogadro's law into a single equation?
Ideal gas law
ExplanationThe Ideal gas law combines Boyle's law, Charles's law, and Avogadro's law into a single equation, PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the gas constant, and T is temperature.
#9
What happens to the density of a gas when it is heated, assuming constant pressure?
It decreases
ExplanationWhen a gas is heated, assuming constant pressure, its density decreases.
#10
The coefficient of volume expansion is a measure of how much a substance's volume changes with a change in what property?
Temperature
ExplanationThe coefficient of volume expansion measures how much a substance's volume changes with a change in temperature.
#11
According to Boyle's law, what happens to the pressure of a gas when its volume decreases, assuming constant temperature?
It increases
ExplanationAccording to Boyle's law, when the volume of a gas decreases, assuming constant temperature, its pressure increases.
#12
What is the SI unit of volume?
Cubic meter (m^3)
ExplanationThe SI unit of volume is the Cubic meter (m^3).
#13
What happens to the pressure of a gas when its volume increases, assuming constant temperature?
It decreases
ExplanationAccording to Boyle's law, when the volume of a gas increases, assuming constant temperature, its pressure decreases.
#14
What is the formula to calculate the final pressure of a gas after a change in volume, assuming constant temperature?
P2 = P1(V1/V2)
ExplanationThe formula to calculate the final pressure of a gas after a change in volume, assuming constant temperature, is P2 = P1(V1/V2), where P1 and V1 are the initial pressure and volume, and P2 and V2 are the final pressure and volume.
#15
What is the formula to calculate the final volume of a gas after a change in pressure, assuming constant temperature?
V2 = V1(P2/P1)
ExplanationThe formula to calculate the final volume of a gas after a change in pressure, assuming constant temperature, is V2 = V1(P2/P1), where V1 and P1 are the initial volume and pressure, and V2 and P2 are the final volume and pressure.
#16
What happens to the temperature of a gas when its volume increases, assuming constant pressure?
It increases
ExplanationAccording to Charles's law, when the volume of a gas increases, assuming constant pressure, its temperature increases.
#17
What happens to the volume of a gas when its pressure is doubled, assuming constant temperature?
It increases by a factor of 2
ExplanationWhen the pressure of a gas is doubled, assuming constant temperature, its volume increases by a factor of 2.