The reaction 2x → y + z is second order in [x] and second order overall. the rate constant of the reaction is 0.028 m −1hr−1. suppose the initial concentration of x is 3.4 m. what percentage of x will remain after a period of 24 hours? 61 % 51 % 28 % 18 %

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge

Is hydrogen gas a reactant or product