Answer to Question #80136 in Physics for Vaibhavi Desai

Question

a) Calculate the increase in volume of 100cm^3 of murcury when its temperature changes from 10°C to 35°C. The volume coefficient of expansion of murcury, B is 0.00018°C^-1

b) Determine the change in volume of a block of cast iron 5.0cm × 10cm × 6.0cm, when the temperature changes from 15°C to 47°C. The coefficient of linear expansion, a for cast iron is 0.000010°C^-1.

c) A glass flask is filled "to the mark" with 50.00cm^3 of murcury at 18°C. If the flask and its contents are heated to 38°C, hoe much murcury will be above the mark? The coefficient of linear expansion a, for glass is 9.0 × 10^-6°C^-1 and the coefficient of volume expansion, B for murcury is 182×10^-6°C^-1.

Take B = 3a glass as a good approximation
i) Determine the change in volume of the murcury

ii) Determine the change in volume of the glass

iii) Calculate how much mercury will be above the mark

Answer 1

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