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a 54.1 gram sample of an unknown hydrocarbon was burned in an excess of oxygen to form 88.0grams of carbon dioxide and 27.0grams of water. what is a possible molecular formula for the hydrocarbon?
Describe in detail(ex:individual resins used, etc) the purification of a protein from bovine liver that has the following characteristics
Calculate the cell potential, , for this galvanic cell and ΔG for the cell reaction at these conditions.
If a bottle of nail polish remover contains 151 g of acetone, how much heat would be released by its complete combustion?
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.676 grams of iron and 13.1 mL of 0.448M copper(II) sulfate react to form as much product as possible,
How you will protect an underground pipe line from corrosion and what are biodegradable polymers or what are conducting polymers
A block of aluminum with a volume of 98.5cm^3 absorbs 68.4J of heat. If its initial temperature was 31.9 degrees celsius, what is its final temperature
What would be the diameter, in cm, of a uranium round shot which has exactly twice the weight as the iron ball described above? 1 pound = 0.4536 kg.
The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 C The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g-K and 0.67 J/g-K, respectively.
How many grams of aluminum must be used to produce 5.00 grams of hydrogen gas?
A young child grows rapidly, with high levels of cell division and high energy requirements. If you were planning the child's diet, which food groups would you emphasize, and why? Which good groups would you deemphasize, and why?
When 2.45 g of an unknown weak acid HA with a molar mass of 85.0g /mol is dissolved in 250.0g of water, the freezing point of the resulting solution is -0.256 C.
An aqueous CaCl2 solution has a vapor pressure of 82.1 mmhg at 50 C . The vapor pressure of pure water at this temperature is 92.6 mmhg What is the concentration of in mass percent?
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