Chemistry, 21.10.2021 14:00 benpark5370
Để pha chế 500 ml dung dịch NHỎ có pH=2 cần dùng bao nhiêu gam HNO3 ?
Answers: 3
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What is the maximum number of electrons that an atomic orbital can contain?
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Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
Chemistry, 23.06.2019 04:00
Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
Answers: 2
Chemistry, 23.06.2019 07:00
What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.
Answers: 1
Để pha chế 500 ml dung dịch NHỎ có pH=2 cần dùng bao nhiêu gam HNO3 ?...
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