A piece of balsa wood has a mass of 15.196 g and a volume of 0.1266 L. What is the density in g/mL?

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Give "Drug X" 5.0 mg/kg per day in two divided doses. The patient weighs 53 lb. How many mg should be given per dose? How many mg should be given per day?

Which best describes what occurs when an object takes in a wave as the wave hits it? transmission absorption reflection refraction

A large flask is evacuated and weighed, filled with argon gas, and then reweighed. When reweighed, the flask is found to have gained 3.223 g. It is again evacuated and then filled with a gas of unknown molar mass.

In a water solution what form do hydrogen ions exist in?

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With respect to composition, how is the compound made from hydrogen and oxygen different from mixtures of these two elements?

How should scientist respond when new evidence that challenges current is presented?

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium pressure of H2. D2 (g) + H2 (g) ⇌ 2 HD (g) Kp = 1.80 P (D2) eq = 1.1 * 10-3 atm P (HD) eq = 2.7 * 10-3 atm

Find δe for the change in state of 1.0 molh2o (l) at 79 ∘c to h2o (g) at 116 ∘c. the heat capacity of h2o (l) = 75.3 j/molk, heat capacity of h2o (g) = 25.0 j/molk, and the heat of vaporization of h2o is 40.7*103j/mol at 100 ∘c.