What mass of glucose
What mass of glucose (180.0 g/m) must be added to 0.50 kg of water to increase the boiling point of the solution by 2.0 degrees C? (Kbp = 0.52 degrees C/mol)
a. 3.8g of glucose
b. 190g of glucose
c. 350g of glucose
d. none of the above
Now Priced at $20 (50% Discount)
When t-butyl chloride is reacted with H2O, a minor product is 2-methylpropene. Which mechanism best explains the formation of this minor product
Lakes that have been acidified by acid rain can be neutralized by liming, the addition of limestone (CaCO3). How much limestone (in kg) is required to completely neutralize a 4.3 billion liter lake with a pH of 5.5?
If a formic acid/formate buffer is 0.031 M in formic acid and has a pH of 3.91, what is the molar concentration of the formate ion? The pKa of formic acid is 3.75.
Divers often inflate heavy duty balloons attached to salvage items on the sea floor. If a balloon is filled to a volume of 3.00 L at a pressure of 2.50 atm, what is the volume of the balloon when it reaches the surface?
How much heat is released when 105 grams of steam at 100.0 degrees celsius is cooled to ice at -15.0 degrees celsius? The enthalpy of vaporization of water is 40.67 kJ/mol.
Which of the following species would be expected to have chemical properties most similar to those of the nitrogen atom?
2-iodo-4-methylpentane was refluxed for an hour in the presence of sodium isopropoxide. Name and draw the product(s) of this reaction clearly showing the stereoselectivity and regioselectivity of the reaction.
A competitive inhibitor of carbonic anhydrase has a K(i) of 0.04 M. What is the V(max) for this reaction of 0.6 mg/mL in the presence of 4.20 mM inhibitor.
Cyclohexane has a freezing point of 6.50 C and a Kf of 20.0 C/m. What is the freezing point of a solution made by dissolving 0.771 g of biphenyl (C12H10) in 25.0 g of cyclohexane?
The temperature of the water rose from 25.00 degree C to 28.21 degree C. Assuming all the heat from the metal was transferred to the water, calculate the specific heat of the metal.
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!