Examine the nuclear re
Why is this classified as a nuclear reaction rather than a chemical reaction?
It is not balanced
A new compound is formed.
A change has occurred in a nucleus.
Anew element has been formed

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false