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A 48.0-L gas cylinder contains 249 mol of H2 gas at 298 K. What is the pressure inside the cylinder?
Historically, the solid residue that is left after the Dichloromethane -or methylene chloride (CH2Cl2 )solution is evaporated has a lower melting point that its literature value, due to impurities.
Calcultate what is the value of enthalpy H reaction If the temperature increased from 35.0 degree celsius to 76 degree celsius and the heat capacity of the calorimeter = 23.3kj/c ? (the molar mass of C2H5OH = 46.07g/mol. )
Gas diffusion and Viscosity are both transport properties, Derive the general relationship between the viscosity for a gas and diffusion coefficient .calculate the diffusion coefficient if Given that the viscosity of Ar is 223 micro Pascals at 29..
Compute the partial pressure of N2 at the surface of theH 2 O in mmHg. The Henry's law constant for nitrogen gas =1.3x 10^-3 mol/L x atm? at 25 degrees Celsius
Compute How many mg of the compound P do you have in 20ml of 4% (w/v) solution of P
When hydrochloric acid of 200 mL was mixed to a small piece of CaCO3 in the same calorimeter, the temperature increased by 4.25 degree celsius. determine the heat output for this reaction?
How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes.
Determine how many grams of sodium chloride are required to prepare 250. mL of this solution. (if given the density of the saline solution is 1.0 g/mL)?
Write a balanced molecular equation for these ten combinations.
Explain how does unique physical and chemical properties of water contribute to significance of water for life on Earth to survive.
The Lyman series in the hydrogen atom corresponds to transitions that originate from the n=1 level in absorption or that terminate in the n=1 level for emission. Calculate the energy, frequency, and wavelength of the least and most energetic transiti..
Determine the minimum mass of Sodium bicarbonate or sodium hydrogen carbonate that should be added to the spill to neutralize it?
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