Gasses and Atmospheric Pressure

What would be the density of a 10-gram object that displaces two milliliters of water?

• five

• 20

• five grams per milliliter

• 20 grams per milliliter

Is oxygen a metal, nonmetal, or metalloid?

• metal

• nonmetal

• metalloid

Does the average kinetic energy of the gas particles in an inflated inner tube increase or decrease if the sun heats the inner tube from 20°Cto 30°C ?

• increase

• decrease

Tags

NGSS.HS-PS3-2

What is the name of the instrument used to measure the pressure of a contained gas?

• manometer

• pascalometer

• pressureometer

• barometer

STP is

• standard temperature and pressure

• 0°C and 1 atmosphere pressure

• 0°C and 101.3 kPa

• each option is correct

Under what conditions of temperature and pressure does the behavior of a real gas differ from that of an ideal gas?

• very high temperature and very high pressure

• very high temperature and very low pressure

• very low temperature and very low pressure

• very low temperature and very high pressure

The kinetic theory

• is a model

• explains gas behavior

• all options are correct