What information in a balanced chemical equation shows how many moles of a reactant are involved in the 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

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

Write a balanced equation for the combination reaction described, using the smallest possible integer coefficients. when diphosphorus pentoxide combines with water , phosphoric acid is formed.