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Compute the work of expansion in Joules accompanying the complete combustion of 1.0 g of sucrose to carbon dioxide and (a) liquid water (b) water vapor at 20 degrees Celsius while the external pressure is 1.0 atm. Use two important figures and do not enter units with your answer.
Toluene is a liquid compound similar to benzene. Calculate the mole fraction of Toluene in a solution that contains 112 g Toluene and 221 g Benzene.
The vapor pressure of dichloromethane, rm CH_2Cl_2, at 0 rm ^{circ}C is 134 rm mmHg. The normal boiling point of dichloromethane is 40. rm ^C. Calculate its molar heat of vaporization.
The freezing point of pure benzene is 5.48 degrees Celcius, and Kf for benzene is 5.12 degrees C/m. Calculate the molar mass of the unknown compound.
glass is a notorious source of metal ion contamination. three glassbottles were crushed and sieved to collect 1-mm
Explain the following species are isoelectronic with the noble gas krypton. Arrange them in order of reduce radius: Rb+ Y3+ Br- Sr2+ Se2-
Draw the product that is formed when the compound shown below is treated with an excess of hydrogen gas and a platinum catalyst.
Explain how grams of Cu would be deposited and how many liters of Cl2 gas would be produced at 81oC and 1.96atm by passing a current of 22.0 A for 16.0 hrs
A typical adult bdy contais 6 liters of blood. The hemoglobin content of blood is about 15.5G /100mL. The approximately molecular weight of hemoglobin is 64500 g/mol. How many moles of hemoglobin are present in a typical adult
an adult person radiates heat to the surroundings at about the same as a 100-watt electric incandescent lightbulb. what is the total amount of energy in kcal radiated to the surroundings by an adult in 24 hours?
You can make an ester from a carboxylic acid as well as an alcohol or hydrolyze an ester to the corresponding alcohol as well as carboxylic acid under similar conditions but at identical temperatures.
Which of the 20 standard amino acids would be best to use to create a buffer at pH = 8.6 and why?
What multiple of Ka must the initial concentration of a weak acid exceed, for the initial concentration and the equilibrium concentration to be within 9.86 percent of each other
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