1) The three states of matter are shown below. Give the names for the 5 different changes of states.
2)
a) Is a change in state a physical or chemical change?
b) Does the mass and the number of particles change when we change the state of a substance?
3) The total internal energy of a substance is the total energy that the particles have in 2 different stores; what are these two stores?
4)
a) When a substance is heated within a state, energy is transferred to which energy store?
b) What effect does this have on the temperature of the substance?
c) What effect does this have on the total internal energy of the substance?
5)
a) When a substance is heated at its melting or boiling point, energy is transferred to which energy store?
b) What effect does this have on the temperature of the substance?
c) What effect does this have on the total internal energy of the substance?
a) Is a change in state a physical or chemical change?
b) Does the mass and the number of particles change when we change the state of a substance?
3) The total internal energy of a substance is the total energy that the particles have in 2 different stores; what are these two stores?
4)
a) When a substance is heated within a state, energy is transferred to which energy store?
b) What effect does this have on the temperature of the substance?
c) What effect does this have on the total internal energy of the substance?
5)
a) When a substance is heated at its melting or boiling point, energy is transferred to which energy store?
b) What effect does this have on the temperature of the substance?
c) What effect does this have on the total internal energy of the substance?