In 1 kilogram of pure water, the mass of hy drogen atoms is approximately 112 grams, or 0.112 kilograms. what is the energy equivalent of this mass in joules?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure