1 What pressure will be exerted by 0.450g of H2 at 78oC if it is contained in a 0.750 L vessel? 2 What is the molarity of a strong acid solution with a pH of 3?

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

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17