Chemistry, 02.02.2020 19:48 BrainlyBoi
Polychlorinated biphenyls (pcbs), which were formerly used in the manufacture of electrical transformers, are environmental and health hazards. they break down very slowly in the environment. the decomposition of pcbs can be represented by the equation:
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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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How have the greenhouse gasses increased from the year 2000 to 2018
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Chemistry, 22.06.2019 22:40
Percent ionization for a weak acid (ha) is determined by the following formula: percent ionization=[ha] ionized[ha] initial×100%for strong acids, ionization is nearly complete (100%) at most concentrations. however, for weak acids, the percent ionization changes significantly with concentration. the more diluted the acid is, the greater percent ionization.a certain weak acid, ha, has a ka value of 9.4×10? 7.part acalculate the percent ionization of ha in a 0.10 m solution.part bcalculate the percent ionization of ha in a 0.010 m solution
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Polychlorinated biphenyls (pcbs), which were formerly used in the manufacture of electrical transfor...
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