ChemBonding9. In ammonium chloride NH4Cl, the bonding between NH4+ and chloride ion Cl− is . options:

ionic
polar covalent
nonpolar covalent

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

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon