How is an exothermic reaction indicated in an equation? O A. Heat is written above the arrow in the equation.
O B. Heat is added to both sides of the equation.
O C. Heat is included as one of the reactants.
O D. Heat is included as one of the products.

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

Which of the following are correct values for the ideal gas laws constant r