Is MgO + CO2 - > MgO3 endothermic or exothermic?

Which two polymers have the same linkages bonding the monomers together? A nylon and complex carbohydrate B nylon and protein C Terylene and complex carbohydrate D Terylene and protein

What is 89,700,000,000 in scientific notation

1. What is the empirical formula of a compound that contains 0.783g of C, 0.196g of H and 0.521g of O?

What are the products of the chemical reaction that occurs when zinc metal is added to an aqueous solution of hydrochloric acid?

KOH is an Arrhenius and increases the concentration of when added to water.

Which elements properties form the basis for all life

A 2.0 L flexible container holds 5.0 moles of oxygen (O2) gas. An additional 15.0 moles of nitrogen gas (N2) is added to the container. What is the new volume of the container? a. 8.0 L b. 0.13 L c. 0.50 L d. 6.0L

How are complete ionic and net ionic equations written for chemical reactions in aqueous solutions

Only producers perform ... A) photosynthesis B) respiration C) both A & B D) neither A or B

A steel cylinder containing 25 kg of CCl2F2 in the form of liquid and vapor is set outdoors on a warm day 25 degrees celsius. What is the approximate pressure of the vapor in the cylinder?