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If the cold temperature reservoir of a Carnot engine is held at a constant 294 K, what temperature should the hot reservoir be kept at so that the engine efficiency is 0.91?
starting with any alkane, alkene, or alkyne as your only organic reactant, propose a series of chemical reactions that will yield
If you have 340.0 mL of water at 25.00 °C and add 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.4 L of 0.42 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.64
The concentration of carbonate ion (CO32-) is 1.2 x 10-7 M. The precipitation of CaCO3 is favored under conditions in the ocean. If all of the CaCO3 precipitated what would be the concentration of the excess reactant
Problem- A certain liquid has a vapor pressure of 92 torr at 23 C and 209 torr at 45 C calculate the value of delta H vap for this liquid and calculate the normal boiling point
Would this value increase, decrease, or remain the same if the reference state environment is changed to seawater? Explain your reasoning.
Ethyl chloride vapor decomposes by the first-order reaction C2H5Cl --> C2H4 + HCl The activation energy is 249 kJ/mol and the frequency factor is 1.6 X 10^14 s^-1 The rate constant at 730 K is 2.4 x 10^-4 s^-1. 1)
What are all the possible products for the following alkane substitution reactions?
Explain at what temperature will the root-mean-square speed, Urms for Neon gas (Ne) the same as the root-mean-square speed, Urms of Helium(He) at 20 degrees C
if i have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees c in a balloon what is the
the final temperature in degrees Celsius of the gas in the bubble outside the volcano if the final volume of the bubble is 133 mL and the pressure is 0.780 atm , if the amount of gas does not change?
what is the titer of the iodine solution of 0.1 g smaple of pure ascorbic acid and 25.32 ml of iodine was required to
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