4. In this equation is mass being conserved? H2 + 3C2-→ 2CH 3
A Yes, in this equation mass is conserved.
B No, in this equation mass is not conserved.

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products

How do you interpret a chromagram for what mixtures contain?