CrO is a metal oxide.

In the lab, it is possible to burn potassium in oxygen. Give the balanced chemical equation for the combustion of potassium.   (5 marks)

From the following elements, which one has the lowest first ionization energy?

Find the average rate of change of the function on the interval .  

EXTRA CREDIT   A doctor prescribes a medication, and the concentration of the drug in a patient’s bloodstream (in mg/L) after hours is modeled by the function . Find the concentration of the drug in the bloodstream after 2 hours and then determine when the concentration will reach mg/L.   ANSWER:   The concentration of the drug after 2 hours is mg/L.   The concentration will reach 5 mg/L after hours.   

What are some recommended best practices when capturing EBS snapshots? Choose three.

A reaction in which a complex compound is broken down into simpler compounds is called:

You wish to create a snapshot of an EBS volume using the AWS CLI. Which option will you use?

Given the functions and , what is ?  

Give the function what is .