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On one column two peaks have resolution 0.9 (not completely resolved). Calculate resolution for the same components on twice longer column.
In a beaker of boiling water, there are many bubbles forming throughout the liquid. What gas comprises the bubbles?
Write a chemical equation for thermal decomposition of CrCl3*6H2O, based on observation that blue litmus paper moistened in condensation of heated compound/crystals turned pink, indicating presence of an acid.
what is the Na+ ion concentration in the solution by mixing 20 mL of .10 M Na2SO4 solution with 50 mL of .30 M Na3PO4?
Calculate the concentrations of all species in a 1.01 M Na2SO3 (sodium sulfite) solution
A cylinder with a moveable piston contains 184mL of nitrogen gas at a pressure of 1.02atm and a temperature of 306 K. What must the final volume be for the pressure of the gas to be 1.52m atm at a temperature of 370 K
The solution to physical chemistry, A laser used to read CDs emits red light of wavelength 700 nm. How many photons does the laser emit per second
Compute the molar mass of vitamin C if a solution of 22.7 g in 100. g of water freezes at -2.40 oC. The Kf of water is 1.858 oC kg/mol.
A copper cube measuring 1.60 cm on edge and an aluminum cube measuring 1.61 cm on edge are both heated to 55.3 C and submerged in 100.0 mL of water at 22.1 C.
The result described is impossible, given the fact that delta G is -60 kJ/mol. d. The activation energy for the reaction is very large; equilibrium has not been reached by 24 hours. e. An enzyme has shifted the equilibrium toward A.
Why is methyl m-nitrobenzoate formed in the nitration of methyl benzoate instead of o- and p- What product would you expect if methyl benzoate underwent dinitration
61.0 mL of a 1.70 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 119 mL of water. What is the final concentration
Calculate the total calories absorbed from the surroundings. D. ?H for Solution of KCl(s) in water: ?T for reaction D: -4°C Mass of KCl: 5.00 g Volume of water: 0.050 L
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