Pretest

Question 1

Consider the proportionality. cap p cap v proportional to n cap t What does this best represent?

Revolt · Accepted Answer

D: ideal gas law

Question 2

Which law relates temperature, pressure, volume, and the number of moles of a gas under perfect conditions?

Revolt · Accepted Answer

C: ideal gas law

Question 3

A student uses 0 point 0 8 2 1 the fraction with numerator cap l times atm and denominator mol times cap k as the value of the gas constant. What is most likely true about the variables in the ideal gas law?

Revolt · Accepted Answer

D: cap v  has the units of liters, and  cap t  has the units of kelvin.

Question 4

Which equation agrees with the ideal gas law?

Revolt · Accepted Answer

C: the fraction with numerator cap v sub 1 and denominator cap t sub 1 is equal to the fraction with numerator cap v sub 2 and denominator cap t sub 2

Question 5

Which law relates to the ideal gas law?

Revolt · Accepted Answer

A: the fraction with numerator cap v sub 1 and denominator n sub 1 is equal to the fraction with numerator cap v sub 2 and denominator n sub 2

Question 6

If the pressure, volume, and the number of moles of a gas are known, which is needed to calculate the universal gas constant from the ideal gas law?

Revolt · Accepted Answer

D: the temperature of the gas

Question 7

Which statement would be the most useful for deriving the ideal gas law?

Revolt · Accepted Answer

C: Volume is directly proportional to the number of moles.

Question 8

Which proportionality applies to Avogadro’s law?

Revolt · Accepted Answer

D: cap v proportional to n

Question 9

Which laws can be combined to form the ideal gas law?

Revolt · Accepted Answer

B: Charles’s law, Avogadro’s law, and Boyle’s law

Question 10

A gas has experienced a small increase in volume but has maintained the same pressure and number of moles. According to the ideal gas law, how has the temperature of the gas changed?

Revolt · Accepted Answer

A: It has increased slightly.

Pretest Answers

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