Chemistry, 09.02.2021 07:50 tyryceschnitker
Calculate the ph of a solution with a [H 3 0+]=7.2×10-8 M
Answers: 3
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What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?
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Chemistry, 22.06.2019 08:00
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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Chemistry, 22.06.2019 10:00
3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?
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Chemistry, 23.06.2019 16:50
Equal volumes of h2 and o2 are placed in a balloon and then ignited. assuming that the reaction goes to completion, which gas will remain in excess? 2h2 + o2 → 2h2o a. both are in equal proportion b. oxygen c. water d. hydrogen
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Calculate the ph of a solution with a [H 3 0+]=7.2×10-8 M...
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