The rate constant for a reaction at 400 degrees celsius is
The rate constant for a reaction at 40.0 degrees Celsius is exactly 3 times that of 20.0 degrees Celsius. Calculate the Arrhenius energy of activation for the reaction.
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When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.740 m/s2, What is the coefficient of kinetic friction between block 2 and the table
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Given the utility function U(X,Y)=X^0.5+Y^0.5for John. a) Do the preferences indicated diminishing marginal utility for Xand Y b) If john has income of 30 dollars. What is his demandcurve/equation for X when the price of Y is 2 dollars.
Calculate the pH of a solution that is 0.50 M in HF (Ka= 7.2 x 10-4) and 0.60 M in NaF. The answer is 3.22. Please show me how to get the correct answer.
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An ac generator with a frequency of 1.44kHz and an rms voltage of 21.2V is connected in series with a 1.90 kiloohms resistor, What is the power factor for this circuit
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