What is the mass of 40.34 x 10^23 h2 molecules at stp?

Which of these best describes an ionic bond?

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b