Which compound has both ionic and covalent bonds?

(1) CO2 (3) NaI

(2) CH3OH (4) Na2CO3

Which statements regarding the Henderson-Hasselbalch equation are true? 1) If the pH of the solution is known as is the pKa for the acid, the ratio of conjugate base to acid can be determined.

Molten sodium chloride is broken down in an electrolytic cell into the elements sodium and chlorine. Where do the products form? 1. Sodium forms at the cathode through oxidation, and chlorine forms at the anode through reduction. 2.

The nuclear mass of 56fe is 55.9207 amu. calculate the binding energy per nucleon for 56fe.

What will the amount of sunlight and rainfall determine in different climate?

Suppose that you have a 60.0% solution of NaOH. How many milliliters of water must be added to 30.0 mL of this solution to prepare a 35.0% solution of NaOH?15.5 mL21.4 mL51.4 mL72.

Oceans make the temperaturs of nearby land more extreme ... True or false

In a chemical reaction, atoms are created/rearranged. The atom are joined together in the same/different arrangements after the reaction. The total number of each type of atom is greater/less/The same after the reaction.

Is dry ice subliming, endothermic or exothermic?

An atom that gains or loses an electron has a net electric charge and is called a/n A. ion. B. electron. C. proton. D. neutron.

Write the name of the following compound NH^3