Test Test Answers

Consider this reaction.What volume (in milliliters) of oxygen gas is required to react with 4.03 g of Mg at STP?

Bromine gas in a container is heated over a flame. What happens to the average kinetic energy of the bromine particles?

If 6.00 g of carbon is burned completely, what volume of carbon dioxide gas is released at STP?

According to the kinetic-molecular theory, the average kinetic energy of gas particles depends on which factor?

Which device involves the use of plasma in technology?

The diagram below shows the different phase transitions that occur in matter. Which arrow represents the transition in which dew is formed?

Which of the following best identifies where long-range order would be found?

If a gas is moved from a large container to a small container but its temperature and number of moles remain the same, what would happen to the pressure of the gas?

Water’s molar mass is 18.01 g/mol. The molar mass of glycerol is 92.09 g/mol. At 25°C, glycerol is more viscous than water. Which substance has the stronger intermolecular attraction?

Which is the best example of immiscible liquids?

This heating curve is produced when a certain substance is heated.Which best compares the particles of the substance when it is in region 1 with the particles of the substance when it is in region 3?

The gas in the piston is at constant temperature. A student increases the pressure on the piston from 2 atm to 3 atm.Which gas law would a student use to investigate this situation?

If the pressure, volume, and temperature of a gas are known, which can most likely be found by using the ideal gas law?

The incomplete table below shows a comparison of the different gas laws.NameVariablesConstantsEquationBoyle's law pressure, volume? Charles’s lawvolume, temperature??temperature, pressurevolume, moles of gas?pressure, temperature, volume?What is assumed to be constant when using the combined gas law?

Which describes the volume of 1 mol of gas at standard temperature and pressure?

Malia was able to make a paperclip float on the surface of water. What will most likely happen to the paperclip if a drop of dishwashing detergent is added near it?

Which statement can best be concluded from the ideal gas law?

The pressure of 1 mol of gas is decreased to 0.5 atm at 273 K. What happens to the molar volume of the gas under these conditions?

A perfume bottle is dropped in the corner of a room and it shattered. The odor of the perfume can be detected on the other side of the room. Which statement best describes this observation?

How many moles of oxygen (O2) are present in 33.6 L of the gas at 1 atm and 0°C?

The particles of a gas inside a balloon are experiencing an increase in their average kinetic energy and the number of collisions with the wall of the balloon. What is the most likely outcome?

The volume of a gas is 0.450 L when its pressure is 1.00 atm. If the temperature of the gas does not change, what is the pressure when its volume is changed to 2.00 L?Use .

Which best defines partial pressure in a mixture of gases?

A substance is tested in a lab. It is found to maintain a unique shape and is a good conductor of electricity. If it is made up of electrons, protons, and neutrons, what state of matter is this substance most likely to be?

Considering the temperature vs. time graph below, how does the temperature at the beginning of a change of state compare with the temperature at the end of the change?