The following statements are either true or false. a. A buffer contains a mixture of an acid and a conjugate acid. [Q1] b. HCN (aq) and LiCN (aq) could be a buffer system. [Q2] c. Buffer capacity is related to an acid’s Ka value. [Q3]

Using the rate law obtained from the data in the table, what would the the initial rate be if [ClO2] = 0.037 M and [NaOH] = 0.068 M?

If you start with 2.5 M I2 at that temperature, what concentration (in mM) will remain after 1.7 s?

What is the half-life of this reaction (in seconds)?

The following statements are either true or false. a. Water is amphiprotic. [Q1] b. HS- is the conjugate acid of H2S. [Q2] c. F- is the conjugate base of HF. [Q3] d. Ka + Kb = Kw [Q4]

How long (in seconds) does it take for the concentration of NO to decrease from 2.26 M to 1.01 M at that temperature?

Which of the following is found in all prokaryotic cells but only some eukaryotic cells?

When we study a(n) ______, we are concerned with the community plus its physical and chemical environment.

What is a major environmental concern of urban landfills?

Metamorphic rocks are created by which two processes?