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Problem- Methane gas ch4 diffuses 2.3 times faster than an unknown gas at the same temperature and pressure. What is the molecular weight of the unknown gas?
I need expert help to solve the above question. Show each and every step.
for the following processes at 700 degrees celcius what is the partial pressure of each gas if the total pressure is
a voltaic cell is constructed with two zn2-zn electrodes. the two cell compartments have zn25.00 m and zn21.00 x 10-2 m
At 25 c and 1.0 atm, 0.25 g of a gas dissolves in 1.00 L of water. What mass of the gas dissolves in 1.00 L of water at 25 c and 3.0 atm?
Suppose of nickel (II) bromide is dissolved in of a aqueous solution of potassium carbonate. Calculate the final molarity of bromide anion in the solution
NH3 is a weak base (Kb = 1.8 × 10-5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.088 M in NH4Cl
I understand the rules for significant figures with multiplication/division, and adding/subtracting. But I am unsure of what to do when there is both multiplication and/or division, and adding and/or subtracting in the same question?
you are doing research and the reaction you need to run is limited by the amount of alcohol you have.
A sample of nitrogengas has a volume of 32.4 L at 20 degrees celcius. The gas is heated to 220 degrees celcius at a constant pressure. What is the final volume of nitrogen
A piece of solid carbon dioxide, with a mass of 47.0 g, is placed in an otherwise empty 5.00 L container at 27 degrees Celcius. What is the pressure in the container after all the carbon dioxide vaporizes
What is the pH of a solution that contains an initial concentration of 0.080 M citric acid and .010 M citrate ions (Ka = 7.4 x 10-4)
what would happen to the molar mass of the solute if the thermometer used actually read 1.4 degrees Celsius too high?
Benzoic acid, C6H5COOH, is sometimes used for the standardization of solutions of bases. A 1.722-g sample of benzoic acid reacts with 26.47 mL of a NaOH solution. What is the molarity of the base solution
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