The minimum amount of energy required to overcome the energy barrier in a chemical reaction is the
a. heat of reaction.
b. activation energy.
c. kinetic energy of the reactants.
d. enthalpy of the products.

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid

Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.

Which functions of water in living systems would still be possible if water was not polar and did not form hydrogen bonds? check all that apply. climate regulation dissolving ionic compounds for biological reactions providing body support by exerting pressure on cell walls providing body support through buoyancy transport of nutrients within organisms temperature regulation in many organisms