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A N2 molecule at 20 C is released at sea level to travel upward. Assuming that the temperature is constant and that the molecules do not collide with other molecules, how far would it travel (in meters) before coming to rest? To calculate the altitude, h, the molecule will travel, equate its kinetic energy with the potential energy, mgh, where m is the mass and g is the acceleration due to gravity (9.81 m s^-2).
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 15.0 L
What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.
A sample of neon gas used in a neon sign occupies a volume of 1.50 L at a pressure of 630 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 793 torr.
The solvolysis product of 1-bromo-2,2-dimethylbutane with ethanol initially forms the expected carbocation but does not give any of the expected 1-ethoxy-2,2-dimethylbutane. Draw the rearranged cation that will eventually lead to the product.
Calculate the mole fraction of benzene in a solution of benzene and toluene that has a total vapor pressure of 266mmHg at 60 degrees C. Note that both components contribute to the vapor pressure over the solution.
Place palmitic acid at the middle position. Cis/trans isometry is graded -it may help to draw hydrogen atoms associated with the carbon atoms of the double bond.
Find the new volume of the gas sample - What is the new volume of the gas sample
How many kilojoules are released when 10.0g of steam condenses at 100 degrees C and cools to 0 degrees C?
Calculate the pH of a solution prepared by diluting 2.5 mL of 1M acetic acid up to a final volume of 100 mL (pka 4.76)
Write a balanced chemical equation for the reaction of chlorine with thiosulfate ion, assuming an acidic solution.
A 29.0-g sample of water at 260. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Cannot be determined from the information provided. 9. Starting with the initial concentrations provided in the question above, what will be the equilibrium concentration of CO2? a) 1.6 M b) 1.8 M c) 2.0 M d) 2.2 M 10. What is KC for this process ..
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