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psl.
How can the molecular weight of a substance be determined from the lowering of the freezing point of a solution of it ? 11. What is meant by balanced action ? Illustrate by the case of ethyl acetate . 12.
How can the molecular weight of a substance be determined from the lowering of the freezing point of a solution of it ? 11. What is meant by balanced action ? Illustrate by the case of ethyl acetate . 12.
psl.
If a weight of 100 grams is hung at the edge of a " massless " frame at the end of the axle ( 5 cms . from the centre ) , find ( 1 ) the velocity of precession , ( 2 ) the angle of dip at which steady precession takes place . 3.
If a weight of 100 grams is hung at the edge of a " massless " frame at the end of the axle ( 5 cms . from the centre ) , find ( 1 ) the velocity of precession , ( 2 ) the angle of dip at which steady precession takes place . 3.
psl.
Show how to determine the ratio of the arms of a balance , and , having obtained this ratio , show how to use it to calibrate a set of weights , a standard 50 gram piece being also provided . Deduce the formula for allowing for the ...
Show how to determine the ratio of the arms of a balance , and , having obtained this ratio , show how to use it to calibrate a set of weights , a standard 50 gram piece being also provided . Deduce the formula for allowing for the ...
psl.
Discuss the history and significance of the " two volume " standard for molecular weights . 3. Show how Gerhardt used the idea that all chemical change is the result of double decomposition , and how it applied to his synthesis of the ...
Discuss the history and significance of the " two volume " standard for molecular weights . 3. Show how Gerhardt used the idea that all chemical change is the result of double decomposition , and how it applied to his synthesis of the ...
psl.
... the top is 16 ' in diameter , and the bottom of the frustum is 12 ' in diameter ,; the bottom of the tank is a spherical cap which is 4 ' deep . The material used is 1⁄2 " steel plate . Find the weight of the tank alone ...
... the top is 16 ' in diameter , and the bottom of the frustum is 12 ' in diameter ,; the bottom of the tank is a spherical cap which is 4 ' deep . The material used is 1⁄2 " steel plate . Find the weight of the tank alone ...
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