The pressure on 20 milliliters of a gas at constant temperature is changed from 4 atmospheres to 2 atmospheres. The new volume of the gas is *
40 ml
5 ml
10 ml
80 ml

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

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.