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Chemistry, 22.06.2019 06:30
This drawing shows a human body system. what is the primary function of this body system?
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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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Chemistry, 23.06.2019 03:00
Can someone me out on this question for my national 5 chemistry homework
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Chemistry, 23.06.2019 05:40
Why is it incorrect to balance a chemical equation by changing the subscripts? explain.
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A fishing sinker was placed in a beaker that originally contained 125 ml of water. After placing the...
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