World Languages, 22.04.2021 02:40 lizdominguez101
Hello! I'm new here, can someone guide me on how to use this?
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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, 27.06.2019 11:30
Which sentence uses the correct form of the verb? the house don't have a basement. the house doesn't have a basement. the house do have a basement.
Answers: 1
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