Chem Quiz 2

The temperature inside my refrigerator is about 4.0 Celsius. If I place a balloon in my fridge that initially has a temperature of 22 C and a volume of 0.50 liters, what will be the volume of the balloon when it is fully cooled by my refrigerator?

0.47L

A soda bottle is flexible enough that the volume of the bottle can change even without opening it. If you have an empty soda bottle (volume of 2.0 L) at room temperature (25 C), what will the new volume be if you put it in your freezer (-4.0 C)? You must use correct significant figures.

1.8L

A car with an internal volume of 12,000.0 L. If I drive my car into the river and it implodes, what will be the volume of the gas when the pressure goes from 1.000 atm to 1000.4 atm?

12.00L

Using your periodic table, determine the molar mass of carbon.

12.011 g/mol

Calculate the mass in grams of 3.00 moles of argon gas?

120

There is 5.00L of hydrogen gas at 2.00Pa of pressure and is compressed to a volume of 0.473L. If the volume is decreased this drastically what is the final pressure of the hydrogen gas?

21.1pa

A cosmic alien space balloon has an internal pressure of 25,078 Pa and a volume of 1000.5 L it crashes into a giant deathstar which increase the pressure by 3 times. What is the volume after the crash?

333.5L

Use the following graph that a student created during her high school chem class. The volume of the gas would be ___________ at 50 degrees celsius.

660 ml

A man heats a balloon in the oven. If the balloon initially has a volume of 0.400 liters and a temperature of 20.0 degrees C, what will the volume of the balloon be after he heats it to a temperature of 250.0 degrees C

0.714L

How hot will a 2.30L balloon have to get to expand to a volume of 400.0 L? Assume that the initial temperature of the balloon is 25.0C.

51,800K

Calculate the number of moles that are in 128 grams of Oxygen gas? Remember to use your periodic table :) You got this!

8.00 moles

An explosive and poisonous gas is at a temperature of 40.0° C when it occupies a volume of 2.30 liters. To what temperature should it be raised to occupy a volume of 6.50 liters?

885K

A jupitarian soda can has a pressure of 7000.7 mmHg convert this to atm if 1.00 atm = 760.0 mm Hg

9.21 atm

Why is the Kelvin scale used when solving variables in Charles' Law equation as well as other equations using temperature as a variable? Select the answer that best connects to the gas laws.

The Kelvin scale is an absolute scale and much like an absolute value in math this scale has all numbers being positive. It is common to have a gas at a temperature of 0oC or 0oF and would be impossible to solve any other variables using this gas law equation due to having no solution.

The pressure in a closed container is caused by _________ with the side of the container. The number of collisions increases with increasing _________

collisions, temperature

Based on Charles' Law, the relationship between temperature and volume is a _____ relationship due to the gas pressure and number of molecules or number of moles remaining unchanged.

direct

The variables for Boyle's Law are _ and _ .

pressure and volume

In boyle's law ______ and the amount of _______ are constant. In charles' law ________ and the amount of ________ is constant.

temperature, moles, pressure, moles