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In the following experiment, a constant-pressure calorimeter containing 100 ml of H2O is used. The initial temperature of the calorimeter is 24.6oC. If 18.6g of CaCl2is added to the calorimeter, what will be the final temperature of the solution in the calorimeter? The heat of solution of CaCl2is -82.8 kJ/mol. The specific heat of water is Cs = 4.18 J g-1 K-1.
A transformer takes a current of 1A when its primary is connected to a 300V, 50Hz supply, the secondary being on open-circuit. If the power absorbed is 120watts, Determine
A polarizer (Polarization) consists of long-chain polymers aligned in a preferred orientation. How does that orientation evaluate with the direction of polarization of the polarize
for small values of theta sine theta is equal to tan theta . how?
In Rutherford's experiment including the deflection of alpha particles by atomic nuclei, the fact that some of the alpha particles bombarding the thin gold foil were back-scattered
A test tube holder An appropriate test tube holder can be made by bending strong spring wire made of iron or brass into the shape shown in the diagram. Wire from a coat hanger
Im having trouble understanding these,, could someone explain them in lamens terms
Q. Find the effectual resistance between A and B. 1/R p = 1/R 1 + 1/R 2 R p = R 1 R 2 / (R 1 + R 2 ) = 15 X15 / 30 = 7.5 ohm
The refractive index of glass is 1.54. Determine the polarizing angle when light goes from glass to air medium?
The greenhouse effect is significant not only on Earth but also on Venus and Mars. The following table summarizes the following basic observations: (A) Using Stefan's equa
Physics of radiation therapy The probability of your having cancer during your lifetime is about 1 out of 4 .Currently three major methods are used alone or in combination
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