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The activation energy for the denaturation of a protein is 391.0 kJ/mole. At what temperature will the rate of denaturation be 19 percent greater than its rate at 25.00 degrees Celsius?
How much heat energy, in kilojoules, is required to convert 65.0g of ice at 18.0 degrees celcius to water at 25.0 degrees celcius.
A system is expanded against an external pressure of 2 atm, changing its volume from 10 to 35 L and absorbing 765 J as heat from the surroundings
Calculate w (in kJ) when 422 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 445 K:
Hypothetical metal M has a molecular weight 171 g/mol and crystallizes in a body-centered cubic array of atoms in which the length of the unit cell's edge is 547.3 pm
The formulas for ethane, ethene, and ethyne are C2H6, C2H4, and C2H2 respectively. Rank these compounds by the length of the carbon-carbon bond. Longest C-C Bond to Shortest C-C bond
what is the value of Kp for this reaction at this temp? what wold be the effect of an increase in pressure on the amount of SO_3 produced? what wold the effect of an increase in temp on the amount of SO_3 produced? (use relevant data from Appendix..
How many grams of dry NH4Cl need to be added to 1.60 L of a 0.700 it M solution of ammonia, NH_3, to prepare a buffer solution that has a rm pH of 8.62? K_b for ammonia is 1.8 * 10^{-5}
A multiple series dilution was performed. The sample was diluted 1/5, 1/2, 1/4, 1/2. What is the final dilution
What is the boiling point of a solution made using 813g of sucrose, C12H22O11, in 0.275 kg of water,H2O.
The concentration of the alkane C20H42 (FM 282.55) in a particular sample of rainwater is 0.2 ppb. Assume that the density of rainwater is close to 1.00 g/mL
Calculate the pH of a solution of CO2 at 38 degrees Celsius in equilibrium with the gas at a particular pressure of 3.55 atm.
A sample of propane,C3H8, contains 13.4 moles of carbon atoms. How many total moles of atoms does the sample contain?
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