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A 6.55 g sample of C6H5NH2 was combusted in a bomb caloriemeter. If the temp rose by 32.9 degreese C use the info below to determine the heat capacity of the calorimeter (Ccal)
C6H5NH2 = 93.13 g/mol, O2 = 32.00 g/mol CO2 = 44.01 g/mol H20 = 18.02 g/mol NO2 = 46.01 g/mol
4 C6H5NH2 + 35 O2 → 24 CO2 = 14 H20 = 4 NO2
find the voltage (v) of the cell if the right half-cell contains 0.4880 M AgNO3(aq) and the left half-cell contains 0.0093 M Cd(NO3)2.
Which monatomic ion has a charge of 1+ and the electron configuration [kr] 4d10 5s2. write the element symbol and charge
A technician obtained the following results for the concentration (mg/dL) of cholesterol in a blood sample: 240, 252, 242, 238, 239, and 236. The technician re-measured the cholesterol in the same blood sample using a different method.
Concentrated sulfuric acid is 98% by mass H2SO4, with the remaining mass being water. What is the molar concentration (i.e., molarity) and the molal concentration (i.e., molality)
The rate constant for a reaction increases by a factor of 10 when the temperature is raised from 250K to 325K. What is the activation energy for this reaction
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At 14 degree Celsius, it takes 7:26 minutes (446 sec) for acetone, HCl, and iodine solution (color changed from yellow to clear) to react.
Calculate the composition of the exhaust gases in kg/hr and calculate the percentage of benzene that is partially combusted.
What is the final concentration of (in M) 15.7 mL potassium hydroxide solution with an initial concentration of 1.553 M which is diluted with 15.6 mL of solvent? Assume the volumes are additive.
What metal ions are involved in electron transport, and what is special about them that enable electrons to be shuttled among the various proteins
Brass has a density of 8.40 g/cm3 and a specific heat of 0.385 J g-1 oC-1. A 11.2 cm3 piece of brass at an initial temperature of 154oC is dropped into an insulated container with 138.4 grams of water initially at 24.1oC. What will be the final te..
Lithium Hydroxide, LiOH, is used in spacecrafts to recondition the air by absorbing the carbon dioxide exhaled by astronauts. The reaction is
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