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Using the following data, calculate the pressure of 100.0mol of CO(g) in a 40.0L container at 25 degrees Celcius using both the ideal gas equation and the real gas equation. Why are these two values so different? (aCO=147.2L2kPa mol-2; bCO=0.0395L mol-1)
A water sample has a pH of 8.21 and a total calcium concentration of 143 ppm. What is the total alkalinity of the water?
If you pipetted 50.00 mL of an unknown brine and titrated it with 37.64 mL of 0.1024 M silver nitrate solution. Calculate the ppm salt (NaCl) in the sample.
what weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction of 100mL lingroin. what weight of A would be removed by four successive extractions with 25mL portions of lingroin
Give equations to show how sulfuric acid can convert 4-methyl cyclohexene into a mixture of four isomeric c7H12 compounds(including starting material). Predict the relative amounts of each isomer.
Explain how organizations should respond to security incidents. Provide an example to support your answer
A certain protein was found to contain 0.230 % iron by mass. Determine the minimum molecular mass of the protein.
What pH would you make the water layer in order to cause the acid to dissolve in the ether layer and the amine to dissolve in the water layer? d. How would you purify a mixture of benzoic acid, chlorobenzene, and cyclohexylamine?
What is the horizontal component of the traction force acting on the leg? (c) What is the magnitude of the force exerted on the femur by the lower leg
Synthetic rubber is prepared from butadiene, C4H6. About how many monomers are needed to make a polymer with a molar mass of 108000 g/mol
When a 3.00-g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 2.472 kJ·K-1, the temperature decreases by 0.280 K. Calculate the molar heat of solution of KCl in kJ/mol
at a particular temperature the first-order gas-phase reaction n2o5 -----gt 2no2 12o2 has a half-life for the
A) How many O2 molecules are needed to react with 6.09 of S? B) What is the theoretical yield of SO3 produced by the quantities described in Part A?
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