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If a pure R isomer has a specific rotation of -120.0 degrees, and a sample contains 81.0% of the R isomer and 19% of its enantiomer, what is the observed specific rotation of the mixture?
A canister is filled with 310 g of ice and 100 g. of liquid water, both at 0 C . The canister is placed in an oven until all the has boiled off and the canister is empty.
Determine how many moles of carbon dioxide should be added to the system to bring the equilibrium carbon monoxide concentration to 0.743 mol/L
Predict whether creatine kinase will operate in the direction of ATP synthesis or phosphocreatine synthesis at 25 degrees C given that:
The volume of a certain gas sample is 235 mL when collected over water at a temperature of and a pressure of 698 mmHg. What will be the volume of this gas sample when measured dry at a standard pressure? The vapor pressure of water at this tempera..
A gas mixture contains 76% nitrogen and 24% oxygen. If the total pressure is 1.16 atm what are the partial pressures of each component
Phenol (C6H5OH, also called carbolic acid) has a pKa of 9.89. It is used to preserve body tissues and is quite toxic. Calculate the percent ionized in 0.0399 M phenol--a dilute solution.
MgNH4PO4 6 H2O loses H2O stepwise as it is heated. Between 40 and 60 C the monohydrate is formed, and above 100 C the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and the anhydrous material?
When ammonia is burned in oxygen, free nitrogen gas and water are produced. What volume of ammonia will react completely with 25.0 L of oxygen.
what would the rate constant be at a temperature of 150C for the same reaction described in Part A?
Calculate the quantity of NH3 is produced upon reaction of 4.0 moles of water and 65.0 g of CaCN2.
Calculate the pH of a solution made by adding 14.0 g of sodium formate, NaHCOO, to 100. mL of 0.79 M formic acid, HCOOH.
Nitrogen gas in a tube then compressed the tube around the Nitrogen gas at a fast rate, would the nitrogen gas explode or combust? and will heat result from the combustion?
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