Calculate delta h for the raction on a molar basis
When .8436 mole of naphthalene(C10H8), a solid, is burned in a constant- volume bomb calorimeter at 298K, 5150 kJ of heat is evolved. Calculate delta H for the raction on a molar basis.
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Assuming ideality, calculate the vapor pressure of a 1.00 molal solution of a nonvolatile solute in water at 50 degrees celsius. The vapor pressure of water at 50 degrees celsius is 92.5 torr.
Use the profit function f(X)=50x+80y and the constraints given to determine the maximum profit for manufacturing both backpacks for the given constraints.
What is the probability that a box randomly selected for checking has a weight between 100 and 164 grams?
A certain first-order reaction has a rate constant of 2.75 x 10^-2 s^-1 at 20 degrees C. What is the value for k, the reaction constant, at 60 degrees if the Energy of activation = 75.5 kJ/mol?
A box contains 18 computer disks, 5 of which are known to have bad sectors. In how many ways can 4 disks be selected, without replacement and without regard to order, so that the following conditions are satisfied? In how many disks can be selecte
Given the reaction X(aq) 3Y(aq) <===> 2Z(aq). Suppose the initial [X] is 0.55M and [Y] is 0.80 M. After equilibrium is reached, [X] = 0.35M. Calculate the Keq (Kc) for this reaction.
Tim and Elle visit a hospital where many people have the mumps. The probability that Tim gets the mumps is .13 and the probability that Elle gets the mumps is .07. What is the probability that Elle gets the mumps and Tim does not?
Two forces F1 and F2 are acting on a mass M=6.0 kg. The force F1 = 5.0i + 7.0j + 2.0k, in N. The acceleration of the mass is given by a = 2.0i + 7.0j + 5.0k, in m/s2. Calculate the magnitude of F2.
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