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How would you separate a mixture of eugenol and cholesterol by acid-base extraction?
Combustion Analysis of Toluene, Combustion analysis of toluene, a compound containing carbon and hydrogen only, gives 5.86 mg carbon dioxide and 1.37 mg of water. What is its empirical formula?
An Ionic Compound has the formula M4(NO3)2(PO4)2. What is the net charge on the metal ion M in this Compound.
Calculate the change in internal energy of the gas in each case of these processes.
One mechanism of fragmentation is loss of a neutral radical by cleavage of a bond from which one electron lost. What is the m/z ratio of the most stable cationic fragment that can be generated from dexchlorpheniramine by this mechanism?
Find the heat of combustion in kJ/g for each gas. These values are valid at 25°C, where the water produced by the reaction is in the liquid state.
the pressure on a 625 ml sample of gas is changed from .925 atm to 1.45 atm. what is the new sample of gas?
Energy in the amount of 421 J is added to a 69g sample of water at a temperature of 23.0 C. What will be the final temperature of the water?
Calculate How many mL of the HCl solution was required for the titration.
A 325-mL sample of solution contains 25.3 g of CaCl2, which is fully dissolved. Calculate the molar concentration of Cl- in this solution.
Assume an average minimum daily requirement for calcium is 1150 mg. Calculate what percentage of your daily requirements could be met by drinking 1.0L of your local water.
Under these conditions, calculate the final concentration of glycerol-3-phosphate. Remember to convert kJ to J.
If a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30 mL 0.4 M CH3COOH, calculate the pH of the solution? For acetic acid, K = 1.76 x 10-5
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