In a synthesis reaction one reactant contains 346 j of chemical energy and one reactant contains 153 j of chemical energy. the product contains 435 j of chemical energy. because energy is conserved. what energy change occurs during the reaction? a) 64 j of energy is released b) 242 j of energy is absorbed c) 64 j is absorbed d) 242 j of energy is released

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.