What do many bases have in common?

A. They often release oxygen gas.

B. They often form hydrogen ions.

C. They often release hydrogen gas.

D. They often form hydroxide ions.

All atoms of an element all have the same number of electrons protons neutrons

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water?

If the rate law for the reaction is rate = k[x]2 what is the initial rate of experiment 2 given that the rate of experiment 1 is 0.50 m/s

21) Amines, amides, and amino acids are categories of * 1 pol isomers isotopes organic compounds inorganic compounds

As long as there is some residual liquid present after equilibrium is reached, the vapor pressure of a liquid at any given temperature is an intensive property of the liquid. Is this true or false?

What is the lowest energy level that contains d orbitals? O A. 4 O B. 1 O c. 3 O D. 2

What is the nature of the Ca-Cl bond in a molecule of calcium chloride (CaCl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.167 O A nonpolar covalent B. moderately polar covalent C.

Which statement is true about oxidation and reduction in an electrochemical cell? (1) Both occur at the anode. (2) Both occur at the cathode. (3) Oxidation occurs at the anode and reduction occurs at the cathode.

For a solar eclipse to occur,

How many times does the citric acid cycle occur for each molecule of glucose?