Hydrogen and oxygen make up water, which is a covalent compound. which statement accurately describes hydrogen and oxygen? hydrogen and oxygen are both metals. hydrogen and oxygen are both nonmetals. hydrogen is a metal and oxygen is a nonmetal. hydrogen is a nonmetal and oxygen is a metal.

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.