The phase of matter can be changed by:
1. increasing temperature
2. decreasing mass
3. increasing volume
4. all of the above

Stage in which a typical star has completely stopped fusion

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:

How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)