How many grams of hydrogen is needed to produce 12 grams of water?

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

Which of the following are correct values for the ideal gas laws constant r

Describe the forces both attractive and repulsive that occur as two atoms move closer together.