True or False? Even though some refrigerants, such as R-12, are illegal to manufacture, only technicians who are EPA-certified may purchase small cans of R-12. 

Screenshot_15-3-2025_183840_southplainscollege582-my.sharepoint.com.jpeg How many carbon atoms are in R-134a? 

Which refrigerant blend responds to temperature change like a single refrigerant? 

Often, the number assigned to a specific refrigerant is associated with the refrigerant’s _____. 

A refrigerant’s GWP is based on the ratio of its warming effect compared to the warming effect of _____. 

The US governmental body charged with enforcing the regulations of the Clean Air Act is the _____. 

What type of matrix is formed when all elements except the main diagonal are zero?

If A=[1234]A = \begin{bmatrix}1 & 2\\3 & 4\end{bmatrix}, what is the transpose ATA^T?

38° C=_______________________FDo not provide the unit of measurement. Only provide the number. Round to the nearest tenth.

Six-year old Amy needs to be hospitalized again because of chronic illness. The clinic nurse overhears her school-age siblings tell her, “We are sick of mom always sitting with you in the hospital and playing with you. It isn’t fair that you get everything and we have to stay with the neighbors.” What is the nurse’s best assessment of this information?