A nurse is caring for an older client who is struggling to manage her type 2 diabetes mellitus. Which social determinant(s) would the nurse predict are most likely influencing this client’s choices? Select all that apply.

The following is an energy diagram for the reaction: 2KClO3 → 2KCl + 3O2 energy diagram.gif Based on this diagram, which line (solid or dotted) represents the energy diagram of the reaction in the presence of the catalyst MnO2? What are the values of the activation energy (Ea) and ΔE for the catalyzed reaction?

For the reaction 2 NO2 →2 NO + O2, the rate of decomposition of NO2 is – 0.20 M/s. What is the rate of appearance of NO?

The second order reaction A →B + C has a rate constant (k) of 0.053 M-1s-1. If the initial concentration of A is 0.45 M, what will the concentration be after 250 s? 

A community health clinic provides care to clients during the prenatal, perinatal, and postnatal periods. What is an example of a primary prevention intervention the community nurse at the clinic might implement?

A solution contains 32.0 g MgCl2 in 250.0 g H2O. What is the freezing point of the solution? (Assume the density of the solution is the same as water: 1.00 g/ml)

For the reaction A + B → C, the rate law is rate = k[A][B]2. If the concentration of B is doubled, how will the rate of the reaction be affected?

For the reaction 2A(g)  ↔  B(g), the equilibrium constant is Kc = 0.76. A reaction mixture initially contains 0.50 M of each gas. Which statement is true of the reaction mixture?

The data in the table below were collected for the reaction: 2NO + O2 → 2NO2. Calculate the rate constant (k) for the reaction based on this data.   Trial [NO]0 (M) [O2]0 (M) Initial Rate (M/s)   1 0.0125 0.0253 0.0281   2 0.0250 0.0253 0.112   3 0.0125 0.0506 0.0561   4 0.0250 0.0506 0.225   

The reaction A(g) ↔ B(g) has a ΔG°rxn of -3.0 kJ/mol. Which of the following statements about an equilibrium mixture of A and B at 298 K is true?