Please, help me.
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World Languages, 24.06.2019 21:40
Em um acidente, um caminhão carregado de solução aquosa de ácido fosfórico (h3po4) tombou, derramando cerca de 24,5 toneladas dessa solução no asfalto. quantas toneladas de óxido de cálcio (cao) seriam necessárias para reagir totalmente com essa quantidade de ácido? 2 h3po4 + 3 cao → ca3(po4)2 + 3 h2o a. 14t b. 29t c. 42t d. 7t e. 21t
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World Languages, 28.06.2019 01:00
If an article is reviewed by one or more experts in the field, it's called a. a reliable source. b. expert-reviewed. c. peer-reviewed. d. a valid source.
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World Languages, 28.06.2019 05:00
Which of the following choices is not an argument against free trade
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World Languages, 29.06.2019 04:30
Escuchar audio vol_textbook escucha las oraciones e indica si cada oración es cierta o falsa, según el dibujo. september 22 11: 59 pm 1 attempt remaining grade settings vocabulary list cierta falsa cierta falsa cierta falsa cierta falsa cierta falsa cierta falsa cierta falsa cierta falsa cierta falsa cierta falsa
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