Solve the following mole-mass problem. refer to the periodic table. how much mass does 0.50 mole of copper contain?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction

Is it safe to take 450mg of diphenhydramine hydrochloride?