What would be the density of a 10-gram object that displaces two milliliters of water?
five grams per milliliter
five
20
20 grams per milliliter
Is oxygen a metal, nonmetal, or metalloid?
nonmetal
metal
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°C to 30°C ?
increase
decrease
What is the name of the instrument used to measure the pressure of a contained gas?
manometer
pascalometer
pressureometer
barometer
STP is (choose all correct answers)
standard temperature and pressure
0°C and 1 atmosphere pressure
0°C and 101.3 kPa
Under what conditions of temperature and pressure does the behavior of a real gas differ from that of an ideal gas?
very low temperature and very high pressure
very low temperature and very low pressure
very high temperature and very low pressure
very high temperature and very high pressure