Jamar resolves to start exercising three times a week when their membership at a local gym begins in two weeks. In which stage of change in the Transtheoretical Model is Jamar operating?

Select ALL of the following that is/are physical change(s)?

Write the formula for carbon tetrabromide. NOTE: Since entering answers does not allow for subscripts, the formula Cs2S is written as Cs2S.  

Which description corresponds to the f-orbitals?

Determine the molar mass of Al(NO3)3 Enter the answer showing 2 decimal places.

What is the name for Ca(NO3)2?

What is the formula for magnesium phosphide? NOTE: Since entering answers does not allow for subscripts, write Cs2S as Cs2S.

What is the formula for hypobromous acid?  

What is the name for H3PO4(aq)?

What is the name for PbO2?