Which of the following elements has an atomic mass of 14?

N, O, Si, V

Calculate the mass of silver chloride required to plate 195 mg of pure silver.

Even though the process is endothermic, snow can sublime. Which tendency in nature accounts for this phase change?

60.0 mL of 0.322 M potassium iodide are combined with 20.0 mL of 0.530 M lead () nitrate. What is the limiting reactant? How many grams of precipitate form?

Electromagnetic waves that are harmful to living things are A. high energy waves or B. both high energy and low energy waves

If 1.72 mol of ZnS is heated in the presence of 3.04 mol pf O2, which is the limiting reactant?

Before oceanography was recognized as its own branch of science it was part of A. Physics B. Chemistry C. Geometry D. Natural science

For a chemical reaction to be spontaneous at all temperatures, which of the following conditions must be met? a. ΔS° > 0, ΔH° > 0 b. ΔS° > 0, ΔH° < 0 c. ΔS° < 0, ΔH° < 0 d. ΔS° 0 e.

What is a Binary Compound? Is it related to the Ionic and Molecular compounds? if so, how so?

Which answer correctly describes the difference between covalent and ionic bonds? A. ionic: transfer of protons covalent: transfer of electrons B. ionic: transfer of electrons covalent: transfer of protons C.

What are the first five elementsof the periodic table?