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)
The rate constant of the reaction: a. Depends on the concentration of reactants b. Describes the rate of the reaction when it reaches equilibrium c. Is a thermodynamic constant that is always true for a given reaction d.
The temperature of a 500.mL sample of gas increases from 150. K to 350. K. What is the final volume of the sample of gas, if the pressure in the container is kept constant?
Analyze run-off water for the presence of a.)heavy metals b.) Benzene-toluene-xylenes; and c.) polynuclear aromatic compounds. Which analytical method should be used in each case. Explain the choice.
Can someone explain to me what is metastability, what does it mean. If you could, can it also be explained in terms of geology
69.0 mL of a 1.30 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 151 mL of water. What is the final concentration
What is the volume (L) of a sample of gas when 4.50 grams of H20(g) and 35.0g of Xe(g) at 650mmHg are mixed at 200 degrees celsius
A solution of 0.640 g of azulene in 100.0 g of benzene boils at 80.23oC. The boiling point of benzene is 80.10oC; the Kb is 2.53 oC/molal.
What is the pH of this buffer? pH = (b) What is the pH of the buffer after the addition of 0.56 mol of NaOH? (assume no volume change) pH = (c) What is the pH of the original buffer after the addition of 0.30 mol of HI? (assume no volume change) p
For chemical reactions involving ideal gases, the equilibrium constant K can be expressed either in terms of the concentrations of the gases (in M) or as a function of the partial pressures of the gases
how many moles of zinc were oxidized. by how many grams did the mass of of the zinc electrode change during this process
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!