Answer:
32 grams
Explanation:
To find the molar mass of oxygen gas, you need to take a look at it's molecular formula. Oxygen is O2, and since each oxygen molecule has a molar mass of 16, 2 of them together have a molar mass of 32 grams. Hope this helps!
Physical Change
It is being changed by the sun
Answer:
Endothermic. The energy is flowing into the molecules causing them to break apart and the ice pop change state.