What is the final temp of the water in degree c
A 5.00g sample of liquid water at 25.0degree C is heated by adding 84.0J of energy. The specific heat of water is 4.28J/g*K. What is the final temp of the water in degree C?
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331 mg of an unknown acid was titrated with 0.110 M sodium hydroxide. The equivalence point is at 25.00 mL. What is the molar mass of the unknown acid?
At a ceratin instant the temperature distribution in the cylinder is T(r)= a+br2, where a and b are constants. Obtain expressions for the heat transfer rate at ro and the fluid temperature.
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 10 A, and that of the vacuum cleaner is 4.0 A. (a) Determine the power consumed by the blow-dryer.
Can this process occur adiabatically? if yes, determine the work per unit mass of air, in Btu/lb, for an adiabatic process between these states. If no, determine the direction of the heat transfer.
A point charge of -6 µC is located at x = 1 m, y = -2 m. A second point charge of 12 µC is located at x = 1 m, y = 3 m. (a) Find the magnitude and direction of the electric field at x = -1 m, y = 0.
Suppose that incoming calls per hour to a customer service center of a small credit union are uniformly distributed between 0 and 6 calls. What is the probability that at least 3 calls are received per hour?
What frequency does your friend hear if you suddenly start singing at 400Hz?
The change ininternal energy for the combustion of 1.0 mol of octane at apressure of 1.0 atm is 5084.3 kJ. If the change in enthalpy is5074.3 kJ, how much work is done during the combustion?
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