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A sample of gas with a mass of 1.78 occupies a volume of 961 at a pressure of 753 and a temperature of 16. What is the molar mass of the gas?
what would the magnitude of q need to be to give the experimental dipole moment? Express your answer as q divided by the proton charge. In other words, what fraction of a full proton charge is the charge magnitude of the ion pair?
Would the following structures be polar or nonpolar?
What kind of compound is 2,3-dihydroxypentane? From what precursor do you synthesize the kind of compound that 2,3-dihydroxypentane is?
How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.
What is the total vapor pressure 4 at 20° C of a liquid solution containing 0.30 mole fraction benzene, C6H6, and 0.70 mole fraction toluene, C6H5CH3? Assume that Raoult's law holds for each component of the solution.
Determine what is the exact volume of the 250-mL Erlenmeyer flask express your answer (in mL)?
What is the vapor pressure of a solution that contains .944 moles Ba(NO3)2 and 30 moles of H2O? The vapor pressure of pure water at the same temperature as the solution is 46 torr
what is the balanced equation of aluminum reacts with ammonium perchlorate to produce aluminumn oxide, aluminum chloride, nitrogen monoxide, and 110g of water.
What is a meniscus? Why do some liquids develop a meniscus? How do we read the liquid level in a volumetric measuring device
Calculate the molar mass of the biomolecule. for carbon tetrachloride, the boiling-point constant is 5.03 degrees C x kg/mol, and the boiling point of pure carbon tetrachloride is 76.50 degrees C.
Determine how much concentrated solution can you take to form 1.15 Litres of 0.105M Nitric acid by mixing with H 2 O?
if 50.0 mL of 10.0 degrees ceclius water is added to 40.0 mL of 65.0 degrees celcius, calculate the final temperature of the mixture assuming no heat is lost to its surroundings,
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