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A bottle contains a mixture of 100g ethanol and 100g of pentane, both as gases. If the total pressure is 1.8 atm, what is the partial pressure of ethanol?
How many moles of magnesium and moles of chlorine ions are present in 123.4 mL of a .345 M solution of magnesium chloride
sucrose solution is allowed to react for 195 minutes then determine the mass of sucrose that is hydrolyzed?
Draw a schematic of the flow. Clearly define and label the axes and any variables to be used. Indicate on the schematic the fluid on top and bottom of the slit.
Then you precipitate the calcium ion in solution by adding sodium oxalate Na2C2O4. The precipitate is calcium oxalate, CaC2O4. You find that a sample of limestone weighing 128.3 mg gives 140.2 mg of CaC2O4. What is the mass % of calcium in the lim..
Sn2 requires a strong nucleophile while E2 requires a strong base. But relatively compared if you have a very strong base the E2 is preferred. Why is it so?
What is the molecular formula of the compound with empirical; formula C5H8O and molar mass 336.5 g mol-1?
A 16.4-L sample of gas at STP is heated to 55°C at 605 torr. What is the new volume?
Nylon is a synthetic polymer made up of amide linkages formed when a diacid condenses with a diamine. The different types of nylons are identified by the number of carbons possessed in the diamine
what compounds would you use and how would testing these two compounds contribute in your knowledge of the above mentioned subjects
Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 375 of insulin at a concentration of 50.0 . What is the total mass of insulin in the bottle?
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
A gas sample was collected over water at 25.3 degrees Celsius, The total pressure is determined to be 0.97 atm. What is the partial pressure of the gas that was collected?
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