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You take an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen) with a mass of 1.00 g, burn it in air, and collect 2.20 g of carbon dioxide and 0.400 g water. The molar mass of aspirin is between 180 g/mol. The molecular formula of aspirin
If we made an aqueous solution from 7.7 g of C6H12O6 in a 250 mL volumetric flask, what would be the concentration of C6H12O6 in units of molarity
Please select one example each of a food you like and a food you dislike and describe the chemistry that might account for your preferences. You may be surprised to learn that there are certain chemicals present in foods that might be found other ..
what is the minimum amount of NaCl needed to get the 18.2 degrees? Its a molality equation
The solid state transition of Sn(gray) to Sn(white) is in equilibrium at 18 C and 1atm, with an entropy change of 8.8 J/kmol. The density of gray tin is 5.75 grams/cm3 that of white tin is 7.28 g/cm3. Compute the transition temperature at a pressu..
Compare the heat produced by the complete combustion of 1 mole of methane (CH4) with a mole of water gas (0.50 mole H2 and 0.50 mole CO) under the same conditions.
Explain Phosphoglycerides differ from glycerides in that one of the hydroxyl groups of glycerol is esterifed with
If a patient suffering from a duodenal ulcer exhibits a hydrochloric acid (36.5 g/mol) concentration of 9.53 x10-3 M in his gastric juice as well as he produces 2.80 liters of gastric juice per day, Explain how much medication(in mL) containing 2...
how much energy in kilojoules is needed to heat 4.00 of ice from -12.5 to 32.0? the heat of fusion of water is 6.01 and
What is the molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6, mol wt = 180 g/mole) in 35.5 mL of solution
What is the heat capacity of water? Could you explain how it relates to the scenario where the ice in a cooler with cold drinks lasts longer than a cooler with warm drinks?
what is the theoretical yield in grams of silver if 8.75 g copper are mixed with 0.350 mol agno3aq? the balanced
A chemical reaction occurs and absorbs 1720 J. How many calories is this? Is it an exothermic or endothermic reaction
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