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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.
Q. What is Fraunhofer diffraction? a) The source as well as the screen are at infinite distances from the obstacle producing diffraction. b) The wave front suffer diffracti
In the case of materials some of the atoms or ions in the material have a net magnetic due to unpaired electrons in partially filled orbits. However, the individual magnetic mome
What are simple ways to quantify the dryness of a semi-permeable hard surface?
Magnetic effect of the earth is? Magnetic effect of the earth. The earth behaves as it has got a big magnet, running as mot a big magnet, running almost from its north to South
A windmill is operating in a 10 m/s wind that has a density of 1.2 kg/m 3 . The diameter of the windmill is 4 m. The constant-pressure (atmospheric) stream tube has a diameter of 3
while taking readings in a deflection magnetometer the deflection should be between 30 degree and 60 degree.why?
A ball is 6.5 m from a convex mirror with a magnification of 0.75. If the image is 0.25 m in diameter. What is the diameter of the actual ball?
Determine the change in entropy, in joules, when 5 moles of an ideal gas expands from a value of 4 lits. to 40 lits. at 27°C. (R = 8.314 JK -1 mol -1 )
UNIFORM ACCELERATION: If velocity of a body alters by equal amounts in equivalent intervals of time, then the body is said to have uniform acceleration. OR If average a
Neglecting friction, what is the child''s gravitational potential energy at the top of the swing? What is the child''s kinetic energy at the top of the swing?
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