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identify the shortest atom to atom contact distance in the lattice in a metal crystallizes in face-centered cubic lattice with a lattice parameter of 4.20 Å.
What is the molarity of a solution made by mixing 213.6 ml of 1.5 M NaCl with 328 ml of 4.3 M NaCl.
the vinegar neutralizes the baking soda and converts it to CO2 gas, which bubbles out of the solution. Find out the limiting reagent in this reaction and compute the mass of CO2 produced.
Calculate the volume change upon mixing sufficient ethanol with 8.85mol of water to give this concentration. The densities of water
calculate the molecular mass of a solute with 8.02 grams of solute in 861 grams of water lower the freezing point to -.430 degree Celsius
An experiment requires 42.0 g of ethylene glycol, a liquid whose density is 1.114 g/mL. Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder.
Caffeine with a mass of .0104 g was used to prepare caffeine salicylate derivative. How do you find the theoretical yield of caffeine salicyIate. Caffeine with a C8H10N4O2 and caffeine salicylate with a C15H16N4O5.
what is the maximum mass of aspartame you can add to 2.00kg of pure water and still have the solution freeze.
Discuss how plastics are used in everyday life and cutting edge technology and what the pitfalls are of plastics.
A 0.16-mole sample of nitrogen gas occupies a volume of 2.35L . What is the volume of 0.34mol of nitrogen gas under the same conditions
Suppose 10.0 g of CH4 is used in a reaction that can theoretically produce 95.8 g of CCl4. What is the percent yield of CCl4 if the reaction produces only 80.0 g of CCl4.
A mixture is prepared by adding 22.7 mL of 0.157 M Na3PO4 to 31.2 mL of 0.277 M Ca(NO3)2. (a) What mass of Ca3(PO4)2 will be formed? (b) What will be the concentrations of each of the ions in the mixture after reaction?
Determine the changes in entropy (of the system, the surroundings, and the universe) for each step of the cycle and the cycle overall. Evaluate the maximum efficiency of the engine, assuming that the heat is supplied in step (2).
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