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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
distance between two consecutive peaks or troughs. frequency number of waves per second that pass through a given
A mixture of NACI and sucrose of combined mass of 10.2 g is dissolved in enough water to make up 250 mL solution. The osmotic pressure of the solution is 7.32 atm at 14*C. Calculate the mass percent of NACI in the solution.
Which plot would not have a slope from which the indicated quantity for the reaction A ? Product(s) could be determined
To what two classes of compounds can primary alcohols be oxidized? What determines which product results from such an oxidation? Please provide complete answer for both of the questions
How much heat in kilojoules is required to warm 10.0 of ice, initially at -10.0, to steam at 125. The heat capacity of ice is 2.09 and that of steam is 1.84 .
Given the following data table of average bond enthalpies, estimate the ΔH^rxn for the reactions 2H2+O2-- 2H2O. What is the hybridization of xenon in each of your Lewis resonance structures?
a reaction is A--->P with the a reaction order of 2/3 with respect to A. What is the integrated rate law expression for this reaction, starting with the differential form of the rate law
A 1 gram sample of calcium was burned in chlorine to give a 1.95 g sample of pure CaCl2. the energy given off in this reaction was 30.3 kJ. given this information, find the heat of formation of 1 mol of CaCl2
A student dissolved 3.00 g of Co(NO3)2 in enough water to make 100. ml of stock solution. He took 4. ml of the solution then diluted it with water to give 275 ml of a final solution how many grams of NO3- ion are there in the final solution? can y..
The Ksp for PbSO4 = 2.53 X 10-8. What is the molar solubility of PbSO4 in a 4.20M solution of gallium sulfate?
a furniture factory needs 36.5 ft2 of fabric to upholster on a chair. its dutch supplier sends the fabric in bolts of
A 1.25g sample of copper ore was dissolved in acid and diluted to 250.0 mL. A 20.00 mL portion was diluted to 50.00 mL. The copper concentration of this solution was 4.62 ppm. What is the weight percentage of copper in the ore
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