Copper has a Delta. Hfus = 13.0 kJ/mol. What mass of copper releases 112.4 kJ of heat as it freezes? Use q equals n delta H.

Amonoprotic acid is an acid that donates a single proton to the solution. suppose you have 0.140 g of a monoprotic acid dissolved in 35.0 ml of water. this solution is then neutralized with 14.5 ml of 0.110 m naoh. what is the molar mass of the acid?

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false