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Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.
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Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
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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)
Answers: 1
Chemistry, 22.06.2019 23:00
What is the number of neutrons in an atom with atomic mass of 35
Answers: 2
Amixture of 1-heptyne, 2-heptyne, and 3-heptyne was hydrogenated in the presence of a platinum catal...
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