Blog

(08.02 MC) What is the mass of NaCl required to make 160 grams of a 12% solution of NaCl in water?

(07.05 LC) Which property of manganese dioxide helps it turn hydrogen peroxide into water faster than it would without it?

The therapeutic index of a drug refers to ____________________________________.

(08.01 MC) Which of the following describes a characteristic of water that makes it cohesive in nature?

(07.07 MC) Consider the following equilibrium reaction having gaseous reactants and products.4HCl + O2 ⇌ 2H2O + Cl2Which of the following would result from increasing only the concentration of oxygen?

(08.02 LC) What happens to the molarity of a salt solution if the number of moles of salt in the solution is multiplied by three and the number of liters of the solution is also multiplied by three?

Which drug is responsible for the most deaths in the United States on an annual basis?

(07.06 MC) During an experiment, ice and water were placed in a perfectly insulated thermos flask at 0 °C. Describe this system when it phase reaches equilibrium.

(08.04 LC) Which of the following ions is formed when a base is dissolved in a solution?

(07.02 MC) During an exothermic reaction, ΔH for the reactants was 890 kJ/mol. Which of the following statements is correct about the ΔH for the products?