What is the formula of the compound that forms when hydrogen sulfate combine?

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.