What components of an endothermic reaction have a higher heat content

reactants
products
reaction vessel
water

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound