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A bomb calorimeter has a heat capacity of 2.47 kJ/K. While a 0.105 g sample of ethylene (C2H4) was burned in this calorimeter, the temperature increased by 2.14K. Compute the energy of combustion for one mole of ethylene.-5.29kJ-50.3kJ-572kJ-661kJ-1.41 x 10^3kJ
Write the names of the following compounds
how many grams of dry nh4cl need to be added to 2.40 l of a 0.400 m solution of ammonia nh3 to prepare a buffer
The organic chemical butane (C4H10) will undergo reversible rearrangement to form isobutene (C4H10) with Kc = 2.5 under certain reaction conditions
For the titration of 25.0 mL of 0.050 M Sn+2 with 0.100 M Fe+3 (using Pt and SCE electrodes), what is the cell potential after the addition of 26.0 mLs of titrant. Eo for Fe+3 /Fe+2 = 0.732V ; Sn+4 /Sn+2 = 0.139V.
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.
Niacin is one of the B vitamins and it acts in solution as a weak acid (call it HN). If a 2.00 x 10-2 M of HN is prepared the pH of the solution is 3.26. What is the Ka for this acid.
If 48.0 g of O2 and 4.4 g of CO2 are placed in a 10.0 L container at 21 degrees C, what is the pressure of the mixture of gas
What products would expect from acid-catalyzed hydration of the following alkenes?
Discuss the general procedure on how solvents affect the rate of alkyl chloride hydrolysis. Include the data that need to be collected
You add more A to the flask. How does the concentration of each chemical compare to its original concentration after equilibrium is reestablished
Determine the fraction of N2 molecules traveling between 500 and 600 m/sec at room temperature
Briefly explain whether the following procedural errors would result in either an incorrectly high or incorrectly low calculated percent Cu recovery for this experiment.
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