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1) What are the units of the universal gas constant R?
2) Water freezes at 0 deg.C, 32 degF or 273.2K. Which is correct? Which is colder?
3) When can a real gas behave as an ideal gas? Are these conditions met in this experiment?
4) A gas with a mass of 33.62g occupies a 10.00L flask at 27 deg.C and 730 torr of pressure. What is the molar mass of the gas? (REMEMBER to use proper units: V in liters, T in Kelvin and P in atmospheres.)
starting with toluene as the only organic starting material and utilizing an organocopper coupling method
Acid strength decreases in the series HI > HSO4- > HF > HCN. Which of these anions is the weakest base?
A sample containing 0.00200 mol sample of Ca(OH)2 requires 10.00 mL of aqueous HCl for neutralization according to the reaction:
a sample of gaseous SiH4 weighing 0.425g is placed in a 580 mL container. The resulting pressure is 0.61 atm.What is the temperature in degree celsius.
100 mL of 0.200 M HCl is titrated with 0.250 M NaOH .What is the pH of the solution at the equivalence point?Express the pH numerically.
the Nernst Equation to calculate the potential on the left and right. (Assume the standard potential for the left side equals 1.33 and the right side equals 0.268
You are a laboratory assistant for your chemistry course. There are 250 students in the course, and each needs to use 25 mL of a 0.15 M solution of copper sulfate.
What is the molarity of a solution prepared by dissolving 13.1 g of glucose (of MW 180 amu) in 217 mL of solution?
water expands when it freezes. How much work is done by 100g of water expanding as it freezes at 0 degrees Celsius and pushes back the wall of a pipe that exerts 1070 atm of pressure?
For the reaction SO3+H2O=H2SO4 calculate the percentage yield if 600 g of sulfur trioxide react with excess water to produce 475 g of sulfuric acid
How many grams of DRY alum can be obtained from 20.0g of aluminum when the reactions proceeds with 60.0% yield? How many grams of WET alum can be obtained from 20.0g of aluminum when the reactions proceeds with 60.0% yield
The solubility product of PbBr2 is 8.9 10-6. Determine the molar solubility in the following. (a) pure water
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