When a hydrocarbon molecule and an oxygen molecule react chemically, energy breaks molecular bonds of the reactants and forms the new molecular bonds of the products. How is energy involved in bonds forming and breaking during the reaction? Choose one.

A. Energy is released as bonds form and is released as bonds break.

B. Energy is released as bonds form and is absorbed as bonds break.

C. Energy is absorbed as bonds form and is released as bonds break.

D. Energy is absorbed as bonds form and is absorbed as bonds break.

What is an example of a physical property?

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided