Find the empirical formula for a compound with 92.25 % Cand 7.75 % H. Please help. I’m really struggling. No wrong answers please, if you don’t know it please don’t answer, I’m already failing the class.

What is the number of atoms in 3.54 mol s

What is the relation between concentration of reactants and the rate of chemical reaction?

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