A sample of N2O gas has a density of 2.95 g/L at 298 K. What must be the pressure of the gas?

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.