An aluminum sphere is 550 cm in radius what is its volume

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Reference no: EM13629641

1. An aluminum sphere is 5.50 cm in radius. What is its volume expansion coefficient if it increases in volume 2.00 cm³ when heated from 100 ^oC to 151 ^oC?

2. Carbon 12 is defined such that 12g is one mole. So if a diamond is 37.5 g, how many moles of carbon are in it? How many molecules of carbon are in it?

3. 400 L of water is at 4 ^oC. If it took a heat 600 seconds to heat this up to 6 ^oC, what is the power rating of the heater?

4. A 95g cup of tea at 85 ^oC is poured into a 1.25 L large tub of water at 30 ^oC . What is the equilibrium temperature?

5. 150 g of ice at -10.5 ^oC is raised to the melting point and then raised to 76.0^oC. How much heat is added to the system?

6. A distant star is 7000 K and radiates 1.20 x1027 W. What is the star's radius?

Reference no: EM13629641

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