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State A chunk of dry ice CO2(s), weighing 4.5g is sealed inside a 2 L soda bottle initially containing 1 bar of air. Explain what is the total pressure in the bottle after the dry ice sublimes as well as comes to 298.15 K?
How many grams of lithium are required to completely react with 60.7 mL of N2 gas at STP?
What observed rotation is expected when a 1.54 M solution of (R)-2-butanol is mixed with an equal volume of a 0.770 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long
what is the mechanism showing electron flow with curvy arrows that includes all steps and intermediates going from starting materials to TPCP, the starting materials are dibenzyl ketone (1,3-diphenyl-2-propanone) and OH
Write the equilibrium expression for this weak acid dissociating in water? b. What is the pH of the solution after it had reached equilibrium
The cuvette used had a 1.00 cm sample pathlength. The measured absorbance was 0.180. What was the concentration of hemoglobin in the solution
What is the maximum mass of S8 that can be produced by combining 80.0g of each reactant? 8SO2+16H2S -> 3S8 + 16H2O
An unknown hydrate of calcium nitrate, Ca(NO3)2 * XH2O, is heated to give 30.5% water. What is the water of crystallization (X) for the hydrate
Pure gold has a density of 19.32 g/cm3. How large would a piece of gold be if it had a mass of 318.97 g
A chemist was called to an abandoned aspirin factory to determine the contents of a badly corroded vat. Knowing that two salvage workers had become ill from breathing the fumes
if the the atmospheric pressure is 685 mm Hg, what would the partial pressure of oxygen and of nitrogen be?
describe the errors made by the following students in making molar solutions.nbspjames needs a 0.600 m solution of kcl.
how to calculate chemicals ions and determain the calculations once it becomes a compound chemical
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