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Palmitic acid C_16 H_32 O_2 is a dietary fat found in beef and butter. The caloric content of palmitic acid is typical of fats in general.
1. What is the caloric content of sucrose in Cal/g? Delta Hrxn is: -5640 kJ
2. What is the caloric content of palmitic acid in Cal/g? Delta Hrxn is: -1.066x10^4 kJ
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
what is the minimum amount of NaCl needed to get the 18.2 degrees? Its a molality equation
A sealed container of xenon gas has a temperature of 24.3C at a pressure 12.0 atm. If the container is heated such that the new pressure of the gas is 34.6 atm, what is the new temperature of the xenon gas. (R=08206 K^-1 mol^-1)
With which of the metals Cu(s), Al(s), Ag(s), Fe(s) and Zn(s) is reaction with H+(aq) ions to produce H2(g) a spontaneous reaction. Select three oxidizing agents that are capable of oxidizing Cl-(aq) ions to Cl2(g)
a. how would you prepare 100ml of 0.5m naoh? calculate the mass of naoh needed and describe the procedure and glassware
Identify the steric number, shape, hybridization about the central atom and molecular polarity of sulphuryl chloride, SO2Cl2.
Caffeine with a mass of .265 g was used to prepare caffeine salicylate derivative. How do you find the theoretical yield of caffeine salicyIate
Consider the following reactions and their associated equilibrium constants: A + 2B ~~~> C K1 C ~~~> D + E K2 For the reaction A + 2B ? D + E, having equilibrium constant Kc, A) Kc = K1 + K2 D) Kc = (K1)(K2) B) Kc = K1/K2 E) Kc = K2/K1 C) Kc = K1 ..
Make a schematic diagram of a cell for each of the following cell reactions. Indicate on the diagram the anode, the cathode, the direction in which the anions and cations migrate through the cell and the salt bridge
A human body contains 6 liters of blood. The hemoglobin content of blood is about 15.5g/100 mL of blood. The approximate hemoglobin molecular weight is 64,500g/mol. How many moles of hemoglobin are present in a typical adult
determine number of moles of oxygen molecules are in the cylinder if the volume of the cylinder is 5500 ml and the
When 26 mL of a 155 mL stock solution containing 2.1 M AlCl3 is diluted to 76 mL, what is the concentration of Cl- in the new solution
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