Which of the following statements is true of enzymes a. they're unusable after a reaction b. they don't provide an active site for substrates to bind in a reaction c. they change shape after a reaction d. they act on a specific type of substrate in a reaction

Which of these best describes the scientific process

How many grams of n2h4 will be consumed by 23 g of n2o4

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