how many molecules of CO2 are when 2.73 moles HCI react according to the following chemical equation Al2 (Co3)3 + 6HCl=2AlCl3+3H2O+3CO2

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

What does the field of thermodynamics relate to a-changes in nuclear reactions b- changes in energy in systems c changes in molecular structure d changes in atomic properties