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What mass of water is produced from the complete combustion of 8.10×10?3 of methane?
Calculate G°f (kJ mol -1) for glycerol and G°rxn (kJ mol -1) for the combustion of one mole of glycerol
Compare the rms speeds. Compare the average kinetic energy. -Consider equimolar samples of the same ideal gas at the same temperature, but different volumes. Sample A has a larger volume than Sample B
A flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 50.0 mL of 0.230 M NaOH. what volume of NaOH is needed to reach the end point of the titration
The standard heats of formation at 25 degrees celsius for NO(g) , O3(g) and NO2 (g) are 21.57, 34.1, and 7.93 kcal/mol respectively. What is the value for change direction for
A horse ate some ration that was equivalent to 4000. kJ. In this case assume that none of thatenergy was stored or used in the animal's body but that all of this energy was lost in the form ofperspiration
Consider the titration of 88.0 mL of 0.146 M Ba(OH)2 by 0.584 M HCl. Calculate the pH of the resulting solution after the following volumes of HCl have been added.
How much heat (in kJ) is needed to convert 866 g of ice at -10 degress celsius to steam at 126 degrees Celsius? (The specific heats of ice and steam are 2.03 and 1.99 J/g x respectively)
Calculate the pH at each of the following points in the titration of 50 mL of 0.2000M acetic acid using 0.222M NaOH. Ka= 1.8 x 10^-5 (show work)
One way to isolate metals from their ores is to react the metal oxide with carbon as shown in the following reaction: 2MO(s) + C(s) → 2M(s) + CO2(g)
we determined that the sample contained 5.34mol of oxygen. If all of this oxygen were converted to a gas at 24 degrees celcius and 770mmHg of pressure, what volume would it occupy?
what can you conclude about the process of breaking bonds in the liquid as compared to the gas phase? Explain the difference in the heat of formation values between the two phases.
Why is a large steroid molecule able to cross the cell membrane when a small molecule cannot?
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