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The activation energy of a reaction is 57.9 kJ/mol and the frequency factor is {1.5\; \times \;10^{11} }/{{\rm{s}}}. Calculate the rate constant of the reaction at 26^\circ C.
Apply Hess's Law to the 3 reactions above in order to determine the enthalpy of combustion of glucose 1. glucose + 6 ADP + 6Pi = 2 pyruvate
How much energy (in Joules) is required to heat 10.99 g of water from 12.9 Celsius to 42.4 Celsius?
A 0.4780-g sample of impure Ca(OH)2 is dissolved in enough water to make 57.00 mL of solution. 20.00 mL of the resulting solution is then titrated with 0.1140-M HCl.
What is the final volume V2 in milliliters when 0.508L of a 46.4% (m/v) solution is diluted to 23.6%(m/v).
What type of signal(s) would you observe in the mass and/or infrared spectrum of the following compound? c6h12cho A) A signal at 1600 cm-1
A 4.50-g sample of LIL at 25.oC dissolves in 25.0 mL of water also at 25.0C. The final equilibrium temperature of the resulting solution is 60.8C. What is the enthalp of solution of LICL expressed in kilojoules per mole?
Explain Cyclopentadiene reacts as a diene in the the Diels-Alder reaction a great deal faster than does 1,3 butadiene.
Granite rock has a specific heat capacity of 0.80 J·°C-1·g-1. A 15 g rock was warmed by 202 J of energy from sunlight. What was the increase in temperature of the rock (in °C)?
How many grams of NH4Cl must be added to 0.490 L of 1.00 M NH3 solution to yield a buffer solution with a pH of 8.90?
Consider a piece of gold jewelry that weighs 9.55 g and has a volume of 0.660 cm^3. The jewelry contains only gold and silver, which have densities of 19.3 {rm g}/{rm cm}^{3} and 10.5 {rm g}/{rm cm}^{3}, respectively.
In the expression for f which you obtain, use a power series expansion of the exponential function
One of the students in lab decided to use two fractionating columns (one on top of the other) instead of just one. How would this: a) affect the separation between hexane and heptane?
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