Why is it important to recrystallize the chalcone before
Why is it important to recrystallize the chalcone before proceeding with the hydrogenation reactions?
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Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done by this release of gas.
The density of solutions are assumed to be the same as water. If the density of all 3 solutions was actually 1.1 g/mL, how would the heat of the reaction be affected?
In an experiment using a temperature probe, is there a way to estimate the heat absorbed by the temperature probe? Explain how.
what effect will that have on the delta T values when the initial value is measured with the thermometer and the latter is measured with the temperature probe? How will this affect the calculated change in heat of that substance?
where the atmospheric pressure is 1.00 atm. the balloon rises to an altitude of 20,000 m where atmospheric pressure is 65 mmhg and the temperautre is 210k. What is the volume of the balloon at 20,000m?
A mixture of a, b, and c gives three peaks in the GC with relative areas of 1:5.5:7.8, What is the percent composition of the mixture. (a walktrhough would be helpful)
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Calculate DG for the isothermal compression of 30.0 g of water from 1.0 atm to 100.0 atm at 25 °C; neglect the variation of V with P. The density of water at 25 °C is 0.997 g/cm3.
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