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Question- What would you expect to see if paper chromatography had been touched by fingers before developing with solvent? What about after it has been developed with solvent, but before staining with ninhydrin?
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Explain a new potential heart medicine, code-named X-281, and is being tested by a pharmaceutical company, Pharma-pill. As a research technician at Pharma-pill you are told that X-281 is a monoprotic weak acid, however because of security concerns..
For the reaction 2N2O5(g) yields 4NO(g)+ O2(g) what is the decomposition of N2O5(g)
A gas mixture being used to simulate the atmosphere of another planet consists of 324 mg of methane, 217 mg of argon, and 228 mg of nitrogen.
How many milliliters of a 0.20 M glucose C6H12O6 solution are needed to provide a total of 25.0 g of glucose?
Write a balanced half-reaction describing the oxidation of gaseous dihydrogen to aqueous hydrogen cations.
What volume of 6.00 M sodium hydroxide in milliliters must be diluted to 232.0 mL to make a 1.50 M solution of sodium hydroxide
a 125 g metal block at a temperature of 93.2 Celsius degree was immersed in 100. g of water at 18.3 celsius degree. given the specific heat of the metal (Cp = 0.900 J/g Celsius), find the final temperature of the block and the water.
Question- The solubility product for MgF2 is Ksp= 8.0 E-8. Calculate the molar solubility's, of MgF2 in a solution that is 0.10M in NaF. The correct answer is supposed to be 8.0 E-6 M
How many grams of water would you add to 1.00 kg of 1.34 m CH3OH to reduce the molality to 1.00 m CH3OH
The balloon then drifted up into the Earth's atmosphere. Assuming the air pressure does not change, determine the volume of that helium balloon when it is 10km above Earth, where the atmospheric temperature is -53 degrees Celsius.
Write a general formula to represent the chemical composition of fats and oils. How do they differ from one another
How much heat in kilocalories is required to melt 1.70 mol of isopropyl alcohol ? The heat of fusion and her of vaporization of isopropyl
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