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Measurements show that the enthalpy of a mixture of gaseous reactants increases by 319kJ during a certain chemical reaction, which is carried out at a constant pressure. Furthermore, by carefully monitoring the volume change it is determined that 92kJ of work is done on the mixture during the reaction. Calculate the change of energy of the gas mixture during the reaction in kJ.
in the blood plasma, pH is maintained by the carbonic acid-bicarbonate buffer system. a)how is pH maintained when acid is added to the buffer system? b)how is pH maintained when base is added to the buffer system
The molar stoichiometric ratio of nitrogen produced to ammonia reacted in the reaction equation is one to one, and the mol CO2/mol C6H12O6 = 2. How much (in g mol) (a) glycerol was produced and (b) how much biomass reacted to produce the 52.4 L of..
Use an Arrhenius plot to determine the activation barrier for the reaction. Express your answer using three significant figures. (units = kJ/mol)
Calculate the molarity of Ba(OH)2 solution if a55.00 mL portion of this solution
How many ATPs are synthesized for every cytoplasmic NADH that participates in the glycerophosphate shuttle in insect flight muscle?
When a chiral carbon contains a hydrogen, you should not show the hydrogen, but you must use either a wedge or dashed bond and 2 sticks to establish stereochemistry.
A 347 ml sample of solution contains 5.1 g of CaCl2. Calculate the molar concentration of chloride ion in this solution
What is the normality formula. What is the normality of: a) 0.45M Al(OH)3 b) 0.122M H2SO4 c) 0.675M H3PO4
Suppose that you have a supply of each of the acids listed in Table 11.1 and each of the bases listed in Table 11.2, as well as 1.00 M HCl solution and 1.00 M NaOH solution.
A 6.55mg/L solution of benzoic acid has an absorbance value of 0.621 at 230 nm in a 1.00cm cell. in units of M^-1*cm^-1, what is the molar absorptivity of benzoic acid at 230nm?
Calculate the entropy change when 100 g of argon is heated and compressed from 300 K, 1.0 atm, to 900 K, 17 atm
How many grams of carbon dioxide are produced from the burning of 1,368 g of sucrose (C12H22O11) according to the following equation
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