Substances like hydrogen , which is a gas at room temperature and pressure, can often be liquified or solidified only at very low temperatures. At a pressure of , does not condense to a liquid until and does not freeze until . What are the equivalent absolute temperatures

What are the major types of a chemical compound

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.