How does increasing the concentration of one of the reactants affect the reaction? a) it slows down the reaction by making the reaction unbalanced.

b) it speeds up the reaction by acting as a catalyst.

c) it speeds up the reaction by supplying more particles to react.

d) it speeds up the reaction by supply more activation energy

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices