Chemistry, 07.04.2021 23:40 ellathornburg
во время погружения медной пластины в раствор Hg(No3)2 выделилась ртуть массой 4,02 г . Вычислить массу меди, которая прореагировала
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Chemistry, 21.06.2019 21:50
H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?
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Summarize possible ways in which phases of matter could combine to form a solution.
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Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
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во время погружения медной пластины в раствор Hg(No3)2 выделилась ртуть массой 4,02 г . Вычислить ма...
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