What is the mass of a sample of a sample of iron (cp=0.44j/g•°c) when it is heated from 60°to 160°c. the heat is transferred is 6600j.

If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over