For the chemical reaction c2h6 --> c2h4 + h2 + 137kj, the chemical energy of the a)products is greater than the chemical energy of the reactant. b)reactant and the chemical energy of the products are equal. c)reaction cannot be calculated. d)reactant is greater than the chemical energy of the products.

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space