If 35.0 moles of hydrogen gas react with excess oxygen gas, how many moles of water are formed? O2 + 2H2 → 2H20​

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

Type the letter that represents the correct location for each particle type below.

Identify two types of chemical bonding in the source of dietary potassium