Chemistry, 20.09.2020 02:01 peytonhause20
What is the purpose of the arrow in a chemical equation?
A. It indicates the direction in which the reaction occurs.
В.
It separates the elements from the compounds.
с.
It indicates the direction of increase in the number of molecules.
OD.
It indicates the direction of heat movement in a reaction.
Answers: 3
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Enzymes affect the reactions in living cells by changing the
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Chemistry, 22.06.2019 21:20
Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction
Answers: 2
Chemistry, 22.06.2019 22:30
Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.
Answers: 3
Chemistry, 22.06.2019 23:30
Why do oxygen have a strong attractive force for electrons
Answers: 2
What is the purpose of the arrow in a chemical equation?
A. It indicates the direction in which the...
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