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Lerok [7]
3 years ago
12

What change in energy occurs when you burn coal or petroleum?

Chemistry
1 answer:
OverLord2011 [107]3 years ago
5 0
Chemical energy to thermal
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If the radius of the sun is 7.01×105 km, what is the volume of the sun in cm3?
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1 km * 1000 m / km * 100 cm / m = 10^5 cm / km

V = 4 / 3 pi R^3

V = 4 / 3 * pi * (7.01 * 10^5 * 10^5)^3 = 4 / 3 pi * 344 * (10^10)^3

V = 1.443^10^3 * 10^30 = 1.44 10^33cm^3

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Which of the following best explains the trend in ionization energy across a period?
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George has a mass of 65kg. What would George weigh on the Moon? (The gravitational field strength on the Moon is 1.6N/kg.)
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\boxed{\large \text{104 N}}  

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