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Carbon disulfide is a foul-smelling solvent that dissolves sulfur and other nonpolar substances. It can be made by heating sulfur in an atmosphere of methane. For the reaction below, deltaH=760.4kJ/mol of S8 and deltaS=1219.2 J(K mol of S8). Calculate the equilibrium constant at 230 degrees celcius and at 480 degrees celcius.
4CH4 (g) + S8 (s) <-----> 4CS2 (g) + 8H2 (g)
A balloon filled with helium gas has a volume of 741 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km,where the pressure is 0.5 atm.
Would applying a high pressure stabilize the CsCl form, or the NaCl form of this compound? (hint: calculate the volume per formula unit)
the activation energy for the reaction involved in the souring of raw milk is 75kj. milk will sour in about 8 hours at 21 degrees c. how long will raw milk last in refrigeratior maintained at 5 degrees c? assume rate constant to be inversely propo..
consider the following mixtures. in each case either calculate the pH if the resulting solution is a buffer solution or state why the solution does
what relative masses of dimethyl amine and dimethyl ammonium chloride do you need to prepare a buffe
what is the molarity of a sodium hydroxide solution if 34.85 mL of the soution neutralizes 1.883 grams of pure KHP?
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295 K, and the volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1mL atm K-1..
In any chemical reaction, the quantities that are preserved are what?
Consider a lake containing 39 ppb (parts per billion) of parathion, which has a log Kow = 3.8. If a sample of lake water was mixed with octanol, what is the expected concentration of parathion in the octanol?
what will be the total gas pressure when the partial pressure of A(g) has fallen to 8.00x10^2 mmHg?
Hydrocarbons are often reacted with steam to form H2, as shown for propane: C3H8(g) + 6 H2O(g) 3 CO2(g) + 10 H2(g) Calculate Kp for this reaction at a particular temperature
Which of the following compounds is soluble in water ? A) BaSO4
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