26-04-2016
Physics

contestada

it takes 3.2 x 10^3 J of heat to melt an amount of gold (Hf = 6.30 x 10^4 J/kg). how much gold do you have?

Respuesta :

26-04-2016

   (3,200 Joules) · ( kg / 63,000 Joules)

   = (3,200 / 63,000) kg

   = 0.0508 kg

   = 50.8 grams .

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