A runner eats a snack with 375 Calories of nutritional energy. After her snack, she uses 3.16 X 10 joules while running [1 Calorie = 4184 joules)

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?