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The rate of a certain reaction is studied at various temperatures. The table below contains the temperature (T) and rate (k) data collected during the experiments. Plot the data, then answer the following questions.
T(K)...........K(s-1)400 0.000659420 0.00327440 0.0181460 0.0589480 0.213500 0.615520 1.66540 3.99560 9.64580 20.1
What is value of the activation energy, Ea, for this reaction?What is the value of the pre-exponential factor (sometimes called the frequency factor), A, for this reaction?
At 1045K the partial pressures of an equilibrium mixture of H2O (g), H2 (g), and O2 (g) are .040, .0045, and .0030 respectively. Calculate the value of the equilibrium constant Kp at 1045K
A system absorbs 192 kj of heat and the surroundings do 120 kj of work on the system. what is the change in internal energy of the system
Calculate (a) the mole fraction of the solute, (b) the number of moles of solute in the solution, and (c) the molecular mass of the solute.
Problem 2.2 The temperature of 1.30 mol of an ideal gas increases from 10.4 celciusto 48 .8 celcius as the gas is compressed adiabatically. Part A Calculate q for this process, assuming that .C=3R/2 Express your answer to one significant figure an..
Explain how the acid hydrolysis of starch differs from the enzyme catalyzed hydfolysis. Compare products as well as conditions of time and temperature
for which Kp=2.00 at 20 C. A mixture of NO(g) at a partial pressure of 1.50 atm and NO2(g) at a partial pressure of 0.50 atm is allowed to come to equilibrium in a sealed container maintained at 20 C.
The vapor pressure of a liquid is the pressure exerted by its vapor when the liquid and vapor states are in equilibrium. The relationship between vapor pressure and temperature is expressed by the Clausius-Clapeyron equation.
Consider the following reaction: 2 HI(g) -> H2(g) + I2(g) If 3.55 moles of HI(g), 0.550 moles of H2, and 0.630 moles of I2 are at equilibrium in a 1.00 L container at 915 K
How many moles of hydronium ion are neutralized by one teaspoonful of Extra strength Maalox plus?
Using a device similar to a mass spectrometer, a sample of an ancient wooden object was found to have a ratio
What mass of sucrose should be combined with 464 g of water to make a solution with an osmotic pressure of 8.35 atm at 320 K? (Assume the density of the solution to be equal to the density of the solvent.)
What mass of solid potassium nitrite would need to be dissolved in 500. mL of 0.40 M HNO2 to make 500. mL of a NO2?/HNO2 buffer solution that has a pH = 3.25? Ka of HNO2 = 7.1 x 10?4
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