Which of the following is not true of atoms? They are extremely small.
O They make up elements.
They can combine with other atoms.
O They are composed of water.

What is the percentage composition of carbon in the compound ch4

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

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?