Object a at 40.°c and object b at 80.°c are placed in contact with each other. which statement describes the heat flow between the objects? (1) heat flows from object a to object b. (2) heat flows from object b to object a. (3) heat flows in both directions between the objects. (4) no heat flow occurs between the objects.

10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)

What will most likely happen when two bromine atoms bond together?

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