Chapter 1, Problem 1.9E

A solution is prepared by dissolving table salt, sodium chloride, in water at room temperature. a Assuming there is no significant change in the volume of water during the preparation of the solution, how would the density of the solution compare to that of pure water? b If you were to boil the solution for several minutes and then allow it to cool to room temperature, how would the density of the solution compare to the density in part a? c If you took the solution prepared in part a and added more water, how would this affect the density of the solution?

Which of the following is a physical property?     Which of the following items is a pure substance?     What is the value of 98 °F in units of °C? Convert 68852 millijoules into Calories. (Write your answer in the decimal form? When table salt is placed in water and stirred it dissolves and a clear liquid is obtained. This process is a: Some groceries are placed in a deep freezer that is set at 18 oF. What is this temperature in Celsius? Thermal energy is: Which of the following statements is true about a compound? How many joules are there in a 255 Calorie snack bar? Which of the following is a physical property? If the monthly electricity consumption of a household is 6,619 kWh, what is this consumption expressed in kJ? Which of the following items is a chemical property? If you hold a solid piece of pure gallium metal in your hand, your body heat will melt the gallium into its liquid form. This illustrates which of the following? On a cold day the atmospheric…

You are to give ampicillin, with a recommended dose of 45 mg/kg, to a child with a mass of 24 kg. If stock on hand is 250 mg/capsule, how many capsules should be given?   Express the number of capsules as an integer.