A scuba tank contains O2 and He. If the combined pressure of tank is 6 atm and the partial pressure of O2 is 380 mmHg, what is the partial pressure of He (in atm)?

Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. true false

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3