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A 28.4 g sample of C2H5OH is burned in a calorimetry containing 1.0 kg water. The temperature of the calorimetry and its contents rose from 25.00 Celcius to 29.71 Celsius.
SpH(H2O) = 4.184 J/gCelsius C(calorimetry)= 5.3 J/Celsius
Determine the heat involved in the combustion of 1.0 mole of C2H5OH
find the electronic configuration for ionization energies of magnesium the orbital number in which the electrons are
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The solvolysis product of 1-bromo-2,2-dimethylbutane with ethanol initially forms the expected carbocation but does not give any of the expected 1-ethoxy-2,2-dimethylbutane. Draw the rearranged cation that will eventually lead to the product.
The combustion of 58.0 g of butane (C4H10) produces 158g of CO2. What is the percent yield of the reaction
buffer solution from a solution of 0.200-M aniline, C6H5NH2, a weak base, and a solution of 0.100-M hydrochloric acid. take the pKa of aniline to be 9.13.
Cobalt Chloride in varying concentrations Spectrophotometer set to a Wavelength = 510 nm % Transmission = experiment #1 = 31.62, experiment #2 = 89.13 and experiment #3 = 98.86
Ammonium hydrogen sulfide decomposes on heating NH4HS(s) NH3(g) + H2S(g) If Kp for this reaction is 0.11 at 298 kelvins (with pressures in atmospheres)
How many grams of silver and how many grams of chloride ions are in 1 L of solution?
Assume a microwave oven operates at a frequency of 1.00x10^11 Hz. a) What is the wavelength of this radiation in meters. b) What is the energy in joules per photon. c) What is the energy per mole of photons.
Calculate the pressure exerted by 20 gram-moles of ammonia at 300 K in a 5-liter container, using : a. the ideal gas equation b. the SRK equation
Explain why we need myoglobin and hemoglobin. And why the mice don't sufficate when they are immersed in a fluorocarbon fluid
What mass of salt would have to be added to 1000.0 mL of water in order to raise the boiling point of the solution by 0.5 C?
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