how many joules are there in 50.0 grams?

2007-09-12 19:10:18 · 2 answers · asked by amber w 1 in Science & Mathematics ➔ Chemistry

E=mc^2
In MKSA m =0.05kg c=3*10^8

so E = 0.05*9*10^16 J = 4.5 10^15 J

2007-09-12 22:12:16 · answer #1 · answered by maussy 7 · 0⤊ 0⤋

Apply E=mc^2. I'm assuming this is rest mass energy. Convert to kg first.

= .05 * 3*10^ 8 = 1.5 * 10^7 joules.

2007-09-12 19:15:39 · answer #2 · answered by jimmyp 3 · 0⤊ 0⤋

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