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If 100.0 grams of sugar glucose (M.W.=180.0 g/mol) is added to 300.0 grams of water, and the sugar dissolved, what will be mole fraction of glucose in the solution and what will be the freezing point of the solution? Kf for water is 1.86 degrees Celsius/m
how many milliliters of .45M hydrochloric acid must be added to 25.0 mL of 1.00 M potassium hydroxide to make a neutral solution?
Using the concepts of equilibrium and Le Chatelier's principle, explain why oxygen moves from the air in the lungs to cells and carbon dioxide moves from cells to the air in the lungs.
Determine the percent by mass of all elements in the compound sodium carbonate decahydrate better known as washing soda
How many moles of CaF2 will dissolve in 3.0 liters of 0.150 M NaF solution? (Ksp for CaF2 = 4.0 x 10-11).
You respond to a 2AM liquefied compressed gas transportation accident which is leaking from a 5lb (2.3kg) steel cylinder. Chemical commodity on shipping paper is 5 lb RQ, compressed gas, flammable, toxic, n.o.s. (poison - inhalation hazard, zone B..
The hydration of norbornene and the bromination of trans-cinnamic acid are both examples of additions across a double bond. How many new stereocenters were generated in the hydration
A certain protein was found to contain 0.412% manganese by mass. Determine the minimum molecular mass of the protein.
The complex formed between Cu(I) and 1,10 phenanthroline has a molar absorptivity of 7000 L cm-1 mol-1 at 435 nm, the wavelength of maximum absorption.
What is the molarity of a solution prepared by dissolving 11.5g of solid NaOH in enough water to make 1.50L of solution?
Some water was added to the initial reaction mixture of 5mL water, 5.55g sodium bromide and 5 mL butanol in the procedure that was perfromed to obtain 1-bromobutane from 1-butanol.
The equilibrium constant Kc for the decomposition of phosgene, COCl2, is 4.63 10-3 at 527°C. COCl2(g) CO(g) + Cl2(g) Calculate the equilibrium partial pressure of all the components
A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees C. it decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test, Treatment of Compound A with ozone, followed by hydrolysis in the ..
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