Acid and base combine to form ___.   Pick all that apply

A substance has a pH of 5.5; what is the  a) [a] pOH b) [b] H+ c) [c] OH- d) [d] acidic or basic   *all responses should be reported in 2 significant figures *responses requiring scientific notation like –>1.0×1012 should be entered as –> 1.0×10^12. no spaces *answer should be in all lowercase

Zinc metal reacts with aqueous hydrochloric acid to produce zinc chloride and hydrogen gas.  Zn (s) + 2 HCl (aq) –>  ZnCl2 (aq)  +  H2 (g)   What volume(L) of 3.55 M HCl is required to produce 25.5 L of hydrogen gas at a temperature of 298 K and a pressure of 1.20 atm?    *answer must be in correct significant digits, standard notation, and contain the proper unit. 

In an infinitely repeated Prisoner’s Dilemma, cooperation is more likely because:

Wood Burning is a ______________ type of reaction   *Answer should be in all lowercase

We learned about five attributes of offerings that can help us understand the rate of adoption of an innovation by target customers (i.e., can enable or hinder adoption). Which of the following is NOT one of those factors?

Which of the following best explains why an individual labor supply curve might bend backward at higher wages?

Rust forming is a _______type of reaction   *Answer should be in all lowercase

Sweetgreen sells premium salads in a monopolistically competitive fast-casual market. The demand for its Kale Caeser bowl in a specific region is:

A health insurance company finds that people who buy insurance tend to have higher medical expenses than the average population. Which problem does this situation illustrate?