What is the mass of 5.80 x 10^23 atoms of silver (Ag) ?

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure.

Blood serum in healthy adults normally contains approximately 3.2 mg/mL of sodium ions (Na+) and approximately 3.5 mg/mL of chloride ions (Cl-). How many milliliters of blood serum would be needed to obtain 3.

Why burning is not a recommended method of disposing plastics

Which of the following statements about the formation of a solution is true? 1) An ionic compound cannot dissolve when a molecular compound acts as the solvent. 2) Dissolution is associated with heat change. 3) Dissolution is a chemical change.

Do you add water to acid or acid to water?

A 0.239 gram sample of a gas in a 100-mL flask exerts a pressure of 603 mm Hg at 14 degrees Celsius. What is the gas?

Which of the following is true about a redox reaction? In a redox reaction, an electron is lost by the reducing agent. In a redox reaction an electron is lost by the oxidizing agent.

Is the equation above balanced? How do you know? Mg + 2HCl → MgCl2 + H2

What characteristics do atoms of carbon-12, carbon-13, and carbon-14 have in common?

Which of the following changes would decrease the rate at which a solid solute dissolves in a liquid solvent? A. Decreasing pressure B. Decreasing surface area C. Increasing rate of stirring D. Increasing temperature