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2P(s) + 3Cl2(g) -> 4PCl3(l) at 298K
Estimate the boiling point of PCl3. What approximation are you making when calculating the boiling point?
If the vapor pressure of PCl3 gas above the liquid were 0.085atm at 30 degrees Celsius, would you expect the reaction to proceeds towards more evaporation or would you expect condensation of gas into liquid?
What was the experimentally determined specific heat of lead. You may assume that the heat absorbed by the calorimeter was negligible.
Each 5 mL of Extra Strength Maalox Plus Mg(OH)2 contains 450 mg og magnesium hydroxide and 500 mg of aluminium hydroxide. How many moles of hydronium ion are neutralized by one teaspoon of Extra Strength Maalox Plus
0.5865 g sample of lactic acid (HC3H5O3) is burned in a calorimeter whose heat capacity is 4.812 kJ/ oC. The temperature increases from 23.10oC to 24.95oC.Calculate the heat of combustion of lactic acid a. per gram b. per mole.
How many moles of oxygen are in a compressed cylinder that has a volume of 8.00 L at a pressure of 41.0 atm and at 25 degrees celcius?
Calculate the number of 222Rn isotopes (t1/2 = 3.8 d) at the beginning and end of 25 days. Assume STP conditions.
what is the vapor pressure in rm mm hg of a solution of 15.5g of glucose in 82.0g of methanol at 27 degrees c? the
Molecules which are polar overall exhibit a property called a dipole moment. Which of the following possesses polar bonds but has no dipole moment
A particular Lake contains 10^10 liter of water. Due to acidification, the pH of the Lake is 5.00. It has been decided to add enough calcium carbonate to the lake to bring the pH to 6.00.
The heat of combustion of ethane C2H6 is 1560 kJ/mol. What is the heat of combustion of ethane in kJ per gram
What is the amount of volume of the solvent you need to extract 65g of the solute in one extraction from the original 100g dissolved in 206mL water?
0.0010 mg of H, 0.0116 mg of C, and 0.0310 mg of O. It was also determined that the unknown compound had a molecular weight of 90.0 g/mol.
How many molecules of each gas are present in 7.13 L of the sample at 58 degrees Celsius and 3.11 atm. Enter your answer in scientific notation.
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