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Ethanol normally boils at 78.4C. the boiling point elevation constant for ethanol is 1.22C/m. what is the boiling point of a 1.0 m solution of CaCl2 in ethanol?
At what temperature will 6.21 g of oxygen gas exert a pressure of 5.00 atm in a 10.0-L container
Referring to the line representation, is the cell reaction spontaneus or non-spontaneous? Explain your answer.
A 5.00 mL sample of isopropyl alcohol has a mass of .930 g whe measured at 20 degrees celsius. What is the specific gravity of isopropyl alcohol?
After 200 seconds has passed, what is the concentration of sulfates in the drinking water sample.
A 150.0-g sample of a metal at 75.0 °C is added to 150.0 g of H2O at 15.0 °C. The temperature of the water rises to 18.9 °C. Calculate the specific heat capacity of the metal, assuming that all the heat lost by the metal is gained by the water.
A student has prepared a 0.309 M solution of Barium hydroxide and a 0.443M solution of hydrochloric acid for you. Determine the volume of the hydrochloric acid solution will be needed to exactly neutralize 10.0 mL of the Barium chloride solution.
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
If 5.50 mol calcium carbide reacts with an excess of water, how many moles of acetylene will be produced.
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.323 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 24.5°C, what is the minimum temperature reached by the solution?
What is the maximum number of electrons that can be identified with each of the following sets of quantum numbers? In some cases, the answer may be "none."
How many moles of Na2SO3 were added to the calorimeter cup if 30.0mL 0.50 M NaOCl and 70.0mL 0.50 M Na2SO3 were combined?
A gas occupies 4.04 L at 860 torr and 10C. What volume will it fill if the pressure is changed to 731 torr and the temperature is raised to 43C
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