General Chemistry Answers

1.How much heat is absorbed by liquid water that weighs 550 grams as it is heated from 25℃ to 95℃ ?

if the hydrogen ion concentration is 4.7 x 10-8 what is the ph

What is the molarity of a 10 L solution that contains 3.5 moles of potassium chloride solution?

An acid solution contains 18 kg of water and pure hydrochloric acid (HCl) , Its concentration is 0.60 mol/kg of solvent. Compute for the number of moles of solute contained in the solution.

What is the mole fraction of sodium chloride and water in a solution, prepared by mixing 256 g of sodium chloride and 176 g water? (Na=23g/mol Cl= 35g/mol H=1g/mol o=16g/mol)

Express the concentration of solution in % w/v containing 12 g sodium chloride and 50 ml of water

How many liters of ammonia (NH3) are contained in 800 ml of a solution that is 12% ammonia by volume?

What is the quantity and how to dissolve silver chromate in nitric acid

Write out the equilibrium constant expressions for the following reaction: H₂0 + C0₂ (g) → H₂C0₃ (aq)

Write out the equilibrium constant expressions for the following reaction: NH₃ (aq) + H₂O (l) → NH₄⁺ (aq) + OH- (aq)