Chemistry ! what is the ration of boron to argon to flourine in b(ar(cf3)2)4^-1?

Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100

How air particles exert a pressure on the inside of the balloon

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?