Calculate the average density of the star
A star is estimated to have a mass of 1x10^36 kg. Assuming it to be a sphere of average radius 7.5x10^5 km, calculate the average density of the star in units of grams per cubic centimeter.
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A strip of metal is 250 mm long. It is stretched in two steps, first to 300 mm and then to 400 mm. Show that the total true strain is the sum of two true strains in each step, that is, that the true strains are additive.
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Find ?Erxn for the combustion of biphenyl in kJ/mol biphenyl. The heat capacity of the bomb calorimeter, determined in a separate experiment, is 5.86 kJ/°C.
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Search instead for a coffe contains 100 mL of H2O. intial temperature of calorimeter is temperature 23C.if 8.20g of cacl2 is added to calorimeter. what will be the final temperature of the solution in the calorimeter. the change in heat solution o
Explain how the relative strengths of solute-solute interactions, solvent-solvent interactions, and solvent-solute interactions affect solution formation.
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