Give the number of protons, neutrons, and electrons for an atom of Nuclear symbol: 12 over 6 next to C. (a neutral atom). 6 protons, 6 neutrons, and 12 electrons
6 protons, 6 neutrons, and 6 electrons
12 protons, 6 neutrons, and 12 electrons
12 protons, 12 neutrons, and 12 electrons

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?

Me as soon as possible! me as soon as possible!