Chemistry, 20.05.2021 20:40 slbutler2005
Which statement describes the revolution of the moon and Earth around a barycenter?
A. The moon and Earth revolve around Earth's center of gravity.
B. The moon revolves around Earth, while Earth remains stationary.
C. Earth revolves around the moon, while the moon remains stationary.
D. The moon and Earth revolve around their common center of gravity.
Answers: 1
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Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
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Which statement describes the revolution of the moon and Earth around a barycenter?
A. The moon and...
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