Gold, one of the most sought- after metals in the world, has a density of 19.3 g/cm3, a me...

Gold, one of the most sought- after metals in the world, has a density of 19.3 g/cm3, a melting point of 1064 °C, and a specific heat of 0.129 J/g °C. A gold nugget found in Alaska in 1998 weighs 294.10 troy ounces.

Gold nuggets, also called native gold, can be found in streams and mines.

a. How many significant Figures are in the measurement of the weight of the nugget?

b. If 1 troy ounce is 31.1035 g, what is the mass of the nugget in grams? In kilograms?

c. If the nugget were pure gold, what would its volume be in cm3?

d. If the gold nugget were hammered into a foil with a thickness of 0.0035 in., what would be the area of the foil in m2?

e. What is the melting point of gold in degrees Fahrenheit and kelvins?

f. How many kilojoules are required to raise the temperature of the nugget from 63 °F to 85 °F?