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Which of the following compounds would have the lowest boiling point. a) CH4 b) HF C)K2O D) NO2 E) LiCl
When 1 liter of nitrogen gas reacts with 3 liters of hydrogen gas at constant temperature and pressure, how many liters of ammonia gas will be produced?
A reaction has an activation energy of 110 kJ/mol and a rate constant, k=1.2 x 10^-12 s-1 at 0?C. At what temperature will the rate constant k=5.1 x 10^-7 s-1.
dissolved in water in a calorimeter that has a total heat capacity of 2.294 kJ·K-1, the temperature decreases by 0.470 K. Calculate the molar heat of solution of KCN.
Considering the condensation of a vapour only on cold vertical tubes, what factors affect the prediction of the value of the heat transfer
accidentally mixed. A 4.50-g sample is burned, and 2.70 g of CO2(g) is produced. What was the mass percentage of the table salt in the mixture?
Calculate the pH of each of the following strong acid solutions: 5.00 mL of 1.00 M HCl diluted to 0.500 L d) a mixture formed by adding 50.0 mL of 0.020 M HCL to 150 mL of 0.010 M HI
A liquid unknown was found to be insoluble in water and soluble in cyclohexane and alcohol; the unknown was found to have a boiling point of 58 degrees C at 670mm Hg
While Xeloda works well, it is effective for colorectal tumors and liver cancer. What are the drawbacks for extending this therapy to other types of cancer?
The mass of the water in the inner bath is 1.60×10^3 g . The temperature of the calorimeter and its contents rises 2.84K as a result of this reaction. 1)Calculate the calorimeter constant.
Fe(s) + 2HCL(aq)goes to FeCl2(aq) + H2(g) Change in enthalpy is -87.9kJ. How much heat is liberated at constant pressure if .368 g of iron reacts with 18.8mL of 0.568 M HCl?
Calculate the volume (in mL) of a 0.740 M KOH solution that should be added to 4.750 g of HEPES (MW=238.306 g/mol, pKa = 7.56) to give a pH of 7.22.
The following reaction is investigated (assume an ideal gas mixture): 2N2O(g) + N2H4(g)-> 3N2(g) + 2H2O(g) Initially there are 0.10 mol N2O and 0.25 mol N2H4, in a 10.0 L container. If there are 0.06 mol of N2O at equilibrium, how many moles of N..
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