what are you supposed to do when there are 2 of the same substance in both equations and both are reactants?

Which formula can be used to calculate the molar mass of hydrogen peroxide

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d. lytic

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.