Which element is present in all organic compounds?

a. carbon

b. hydrogen

c. nitrogen

d. oxygen?

Convert 1.43 g/mL to the unit g/m^3 a. 1.43 x 10^6 g/m^3 b. 1.43 x 10^2 g/m^3 c. 1.43 x 10^-2 g/m^3 d. 1.43 x 10^-6 g/m^3

What is the Percent yield made if 3.9 grams of a substance were made experimentally while you calculated 3.6 grams of substance using Stoichiometry?

Which of these is a type of mass movement that is likely to happen after a lager amount of rain? A-Landslide B-Elastic rebound C-Liquefaction D-Soil creep

Find the pH of a solution whose H + concentration is 1.8 x 10-12

Each enzyme functions in a different area of the body, but both work to harness the power in carbohydrates and break these complex molecules into simple sugars.

Which of the following substances is never a Brønsted-Lowry base in an aqueous solution? Group of answer choicespotassium hydroxide, KOHsodium hydrogen phosphate, Na2HPO4sodium phosphate, Na3PO4ammonium chloride, NH4Clsodium bicarbonate, NaHCO3

Why is gold less reactive than iron?

Which statements about isozymes are true? Isozymes catalyze different reactions. Isozymes have identical kinetic properties. Isozymes are present in various developmental stages. Isozymes are encoded by the same gene.

A fog over a lake. what two changes of state must occur to produce the fog? do the water molecules absorb or release energy during these changes of state? what happens to the motion of the water molecules as a result?

Limes have a [H3O+] of 1.3 x 10-2 mol/L. Their pOH is