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A deep-sea diver uses a gas cylinder with a volume of 10.0 L as well as a content of 51.9 g of and 31.8 g of He. Compute the partial pressure of each gas as well as the total pressure if the temperature of the gas is 21 C.
What is the gas pressure (in atm) inside a 1.89-L bulb that contains 1.56-g of Ne at a temperature of 21.1 C? Be sure to report the units as atm
Assuming constant pressure, rank these reactions from most energy released by the system to most energy absorbed by the system, based on the following descriptions
A 774 mL gas sample at STP is compressed to a volume of 267 mL, and the temperature is increased to 32C. What is the new pressure of the gas in Pa? Answer in units of Pa.
question a gas occupying a volume of 847 ml at a pressure of 0.970 atm is allowed to expand at constant temperature
Calculate the integral of dqrev / T for each of the 4 steps in the Carnot cycle of, and sum them to prove that their sum equals zero. This turns out to also be true for any cyclic process that returns the system
What are most important organelles? Is How does biochemistry describe life processes? there a simple basis for classifying organisms?
Explain the relative trends in acidities of the compounds of the formula HXOn for compounds with identical central atoms, X, but differing values of n
Determine the titration of 50.00mL of a 0.100 M weak acid solution with 0.100 M NaOH. If the pH at the equivalence point is 5.0.
What percentage faster will a reaction go if a catalyst lowers its activation energy from 50 kJ mol^- to 25 kJ mol^-.
If the valence shell is considered to be n=4, how many valence electrons are in a stable ion of a period 4 metal
A solution of Na3AsO4 is added dropwise to a solution that is 0.0643 M in Bi3+ and 0.000180 M in Cd2+. What concentration of AsO43- is necessary to begin precipitation
0.25 mol of formic acid (HCO2H) is dissolved in enough water to make one liter of solution. The pH of that solution is 2.19. The Ka of formic acid is
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