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The molar enthaply of combustion for glucose, C6H12O6, is -2803 kJ. A mass of 1.150 g glucose is combusted in a bomb calorimeter. If the calorimeter contains 925 g H2O and the bomb has a heat capacity of 622 J/K, what is the temperature increase of the bomb calorimeter? The specific heat capacity of water is 4.184 J/g K and the molar mass of glucose is 180.2 g/mol.
the boiling point of methanol ch3oh is 64.7 oc and delta h vap 71.8 kjmol. what is delta s for the vaporization of
A 4.5 g sample of LiCl at 25 degrees Celsius dissolves in 25 mL of water also at 25 degrees Celcius. The final equilibrium temperature of the resulting solution is 60.8 degrees celsius. What is the enthalpy of solution delta H subscript 8 of LiCl ..
Methane and oxygen react in presence of a catalyst to form formaldehyde (desired product). In a parallel reaction, methane is oxidized to form carbon dioxide and water
a solution made by mixing 45.0 ml of 0.360 m propionicacid ch3ch2cooh and 10.0 ml of 1.40 m sodiumpropionate
Its volume has been accurately determine to be 3226.7kj/m. 2.5127 gm benzoic acid are burned in a carorimter the temperatuer rises from 20.84 to 25.67degree. What is the heat capacity of the bomb.
ammonium nitrate decomposes to n2o and water at temperatures between 250degc and 300degc. write a balanced chemical
For the reaction 2HI(g) H2(g) + I2(g), Kc = 0.290 at 400 K. If the initial concentrations of HI, H2, and I2 are all 1.50 × 10-3 M at 400 K, which one of the following statements is correct
A 200. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand to 425 mL at 48°C?
Based on the standard reduction potential, which species is oxidized when current is allowed to flow? B. Calculate the value of Q, the reaction quotient, for this cell reaction. C. Calculate the actual cell potential at 25 degrees C.
one hundred grams of water is saturated with NH4CLat 50 degrees C. According to table G, if the temperature is lowered to 10 degrees , what is the total amount of NH4CL that will precipitate?
what is the ph of a buffer solution prepared from equal volumes of .25 m sol of a weak acid and .025 m sol of the salt of that weak acid. the acid has a pka of 4.82
Calculate the atomic mass of neon (Ne) which is composed of three naturally occurring isotopes with the following natural abundances and masses
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