How many grams of gold are in the oceans
Earth's oceans have an average depth of 38000m, a total area of 3.63*10^8km^2, and an average concentration of dissolved gold of 5.8*10^-9g/L. a) how many grams of gold are in the oceans? b) how many m^3 of gold are in the oceans?
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A total area of 3.63*10^8km^2, and an average concentration of dissolved gold of 5.8*10^-9g/L. a) how many grams of gold are in the oceans? b) how many m^3 of gold are in the oceans?
A 78 g ice cube at -18°C is placed in a lake whose temperature is 12°C. Calculate the change in entropy of the cube-lake system as the ice cube comes to thermal equilibrium with the lake. The specific heat of ice is 2220 J/kg·K. (Hi
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