Complete the following statements about peptide bonds. When a peptide bond is formed, ______ is released in the process. This type of reaction is known as a ________ reaction.

The graph below shows the reaction of two reactants A and B without a catalyst. Sketch onto the graph a line showing the reaction in the presence of a catalyst:

Explain in the general reaction (A+B+) energy $( \rightarrow C )$ how the following will affect the reaction rate.

a. increasing the temperature

b. decreasing the reactant concentration

Something that speeds the rate of a chemical reaction but is not used up in that reaction is called an
a. catalyst.
b. catabolic molecule.
c. coenzyme.
d. ATP.

Determine whether the following statements are true and give an explanation or counterexample. The function x sin x can be differentiated without using the Chain Rule.

Aqueous ammonium chromate reacts with aqueous lead(II) nitrate in a double-displacement reaction. Write a balanced equation to describe this reaction.

A certain reaction is known to proceed slowly at room temperature. Is it possible to make the reaction proceed at a faster rate without changing the temperature?

Is the following reaction a redox reaction?

$$\begin{align*} 3\;\mathrm{O_2}(g)&\rightarrow2\;\mathrm{O_3}(g) \end{align*}$$

On a microscopic level, how does the reaction of bromine with a saturated hydrocarbon differ from its reaction with an unsaturated hydrocarbon? How are they similar?

Is this statements true? If not, explain why.

At a given T, all molecules have the same kinetic energy.

Any half-reaction in the activity series will be spontaneous when paired with the reverse of any half-reaction $\underline{\phantom{\text{xxxx}}}$ it.

Where are peptide bonds found?

What does a negative $E^{\circ}$ cell indicate about a redox reaction? What does it indicate about the reverse reaction?

What experimental evidence do you have that the Diels-Alder reaction of $1$,$3$-cyclopentadiene with maleic anhydride is a stereoselective reaction?