What is the enthalpy of the reaction?

Use Delta H r x n equals the sum of delta H f of all the products minus the sum of delta H f of all the reactants..

–1,839.6 kJ

–1,179.8 kJ

1,179.8 kJ

1,839.6 kJ

Light waves can move through , but they travel fastest when they move through a(n) .

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases