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1. An unknown volume of gas has a pressure of 365 mm Hg and a temperature of 52oC. If the pressure is raised to 1.2 atm, the temperature decreased to 47oC, and the final volume measured to be 4.8×103 mL, what was the initial volume of the gas in liters?
2. A gas that has a volume of 28 liters, a temperature of 45oC, and an unknown pressure has its volume increased to 34 liters and its temperature decreased to 35oC. If you measure the pressure after the change to be 2.0 atm, what was the original pressure of the gas?
3. A glass jar containing 0.27 mol of Nitrogen, with a leaky lid is heated from room temperature (22 ºC) to 150 ºC. How many moles of Nitrogen remain in the jar? How many grams?
what is the value of kf for acetic acid given that its freezing temperature is 16.6 c and its density is 1.049 gml?
A constant electric current deposits 0.365 g of silver metal in 12960 seconds from a solution of silver nitrate. What is the current? What is the half reaction for the deposition of silver. Molar mass of Ag is 107.
Write the balanced equation and net ionic equation for magnesium sulfate with a solution of sodium phosphate.
Given: 1 Liter H2O with a pH of 7. How much HCl (M.W. of 36.5g/mole) needs to be added to lower the pH of the water to 3
Calculate the cell potential at 298 K of the galvanic cell below. Assume no current draw and a perfect salt bridge. Pt(s)| Cu2+ (0.05 M), Cu+ (0.50) || Fe2+ (0.01 M), Fe3+ (0.10 M) | Pt(s)
This question has been asked several times and there appaer to be two different answer and no clear answer on who is right. (One response says the answer is wrong) Calcutlate E red involving Pd
you are interested in determining the rate of reaction with respect to i in the reaction of ki and na2s2o3nbspto form
Which of the following statements is incorrect about benzene?
Suppose an ice cube weighing 44.7 g at a temperature of -4 degree celcius is placed in 550 grams of water at a temperature of 23 degrees celcius.
What is the mass of 1 mol of atoms for an element? It is equal to the mass of 6.022×1023 of atoms of oxygen, i. e. about 16 g. It is equal to the mass of 6.022×1023 of atoms of carbon, i. e. about 12 g
Write net Bronsted equations and determine the equilibrium constants for the acid-base reactions that occur when aqueous solutions of the following are mixed.
The dry ice is allowed to sublime and the mixture is allowed to return to 25.0 degrees Celsius. what is the total pressure in the flask?
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