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The heat of vaporization of benzene, C6H6 , is 30.8 kJ/mol at its boiling point of 80.1 °C. How much heat is required to vaporize 128 g benzene at its boiling point ?
Ammonium Carbonate, NH4CO2, decomposes as follows: NH4CO2NH2(s) -> 2NH3(g) + CO2(g) Starting with only the solid, it is found that at 40C the total gas pressure is .363 atm. Calculate Kp.
Why is molarity not the best means of stating acid strength? Is molarity the most representative form of quantifying acids and bases?
Calculate the molarity of a solution of glycerol made by dissolving 34.000 mL glycerol at 15 C in enough water to make 300.00 mL of solution.
Car air bags operate by the explosive reaction of NaN3: 2NaN ( ) 2Na( ) 3N ( ) 3 2 s s + g
What mass of C4H6 in grams is consumed in the reaction below when 36.9 grams O2 (g) are also consumed?
Adipic acid with two molecules of ethylamine, Write an equation for the formation of the salt that could be formed by reaction of one molecule of adipic acid
To find the of X-281, you prepare a 0.086 test solution of X-281. The pH of the solution is determined to be 2.70. What is the of X-281
The distance between layers in a crystal is 281 pm. X rays are diffracted from these layers at an angle of 19.0°. Assuming that n = 1, calculate the wavelength of the X rays in nm.
What is the pH at the half-stoichiometric point (half-way to the endpoint) for the titration of 0.22 M HNO2(aq) with 0.10 M KOH(aq)?
Explain why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane, while in its isomer
Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions
what is the correct electron configuration for Cr (chromium). Chose the proper Lewis dot structure for the compound or poliatomic ion: Sulfur Dioxide (SO2).
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