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Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?
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Chemistry, 22.06.2019 18:10
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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What is the percent by mass of magnesium sulfate in mgso4.7h2o
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Chemistry, 23.06.2019 02:00
The point along a planet's orbit where it is closest to the sun is called the
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Why are older parts of the ocean floor no older than about 200 million years?...
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