Use the following chemical equation to answer the question. 4K(s) + O2(g) → 2 K2O(s)

If a staff member at a laboratory has 12.0 grams of potassium metal, what is the theoretical yield of potassium oxide (K2O) that the scientist could potentially produce from the reaction with oxygen gas?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?