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Problem- A gas of unknown molecular weight is found to diffuse at a rate of 0.19 cm/s compared to 0.59 cm/s for helium gas.
1) Calculate the molecular weight of the unknown gas.
State the complete computation of molecular weight
This is the Free Energy measured under standard conditions, while the reaction is started with 1.0 M of each of the three gases present. Compute the non-standard Free Energy change (G) at 298 K, given the following non-standard preliminary concent..
Consider what happens when a sample of the explosive TNT is detonated. (a) Is the detonation a spontaneous process (b) What is the sign of q for this process
Use the Ideal Gas Law in the form n=PV/RT. Remember to change all units to correspon to the values for the gas constant. R=0.0821 L*atm/mol*K.
Calculate the number of theoretical plates N in the column of length L in 20 cycles. The observed resolution is 1.81. B) Now, calculate the plate height in the column in m.
Gaseous hydrogen has a density of 0.0899g/L at 0 degrees Celsius. How many liters would you need if you wanted 1.0078 g of hydrogen?
Determine both delta G and K when X represents CL2 and I2. Which reaction(s) is/are spontaneous. Which reaction happens to the greatest extent?
Calculate ?G for 1.00 mole of an ideal gas as the external pressure is increased from 1.00 bar to 2.00 bar at a constant temperature of 298.0K.
The formulas for ethane, ethene, and ethyne are C2H6, C2H4, and C2H2 respectively. Rank these compounds by the length of the carbon-carbon bond. Longest C-C Bond to Shortest C-C bond
Dinitrogen oxide ( nitrous oxide, or laughing gas ) is sometimes used as an anesthetic. Here are some data about the N2O molecule: N-N bond length = 113 pm; N-O bond length = 119 pm.
When the restraints are cut how high does the assembly go in an isothermal atmosphere at -10 C? The balloon fabric can inflate to a maximum radius of five meters.
the activation energy for a particular reaction is 95 kjmol. by what factor will the rate constant increase when the
What is the concentration (in M) of the hydroxide ion when 19.4 mL of a 0.712 M solution of sodium hydroxide is combined with 15.9 mL of a 0.703 M solution of barium hydroxide? Assume the volumes are additive
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