Which of these is the balanced equation for this reaction?
a. rboh + h3po4? rb3po4 + h2o
b. 3rboh + h3po4? rb3po4 + 3h2o
c. rboh + 2h3po4? rb3po4 + 3h2o
d. 3rboh + 2h3po4? rb3po4 + 3h2o

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j