What is the magnitude of k at temperature if ea is given
A particular first-order reaction has a rate constant of 1.35 x10^2 s^-1 at 25 degrees Celsius. What is the magnitude of k at 95degress Celsius if Ea= 55.5 kJ/mol?
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Calculate the mass of silver chloride required to plate 175 {rm mg} of pure silver.
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A certain first-order reaction (A-->product) has a rate constant of 3.90×10-3 s-1 at 45C . How many minutes does it take for the concentration of the reactant,(A) to drop to 6.25% of the original concentration?
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Mercury has a density of 13.6 g per mL. A barometer holding 9.50 mL of mercury has broken. The cost of mercury disposal is based on mass, how many kilograms of mercury were in the barometer?
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A 9.36-g piece of platinum is heated to 98.6 °C in a boiling water bath and then dropped onto ice When the metal's temperature has dropped to 0.0 °C, it is found that 0.37 g of ice has melted. What is the specific heat capacity of platinum
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