Can anybody do this? 14 points

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

Chemical engineering who specializes in negotiating for large purchases and instructing customers in use of the products are