Chemistry, 07.04.2020 18:29 kenzielema12
1) Leia as frases a seguir, algumas vezes encontradas em estabelecimentos comerciais ou propagandas. Em seguida, aponte o equívoco dessas expressões. Perucas feitas de cabelo 100% natural, sem química. Piscina com água mineral corrente, sem química. Escova progressiva à base de queratina e proteínas do mel, sem químicos.
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An observation that requires measurement is called quantitative observable or qualitative
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Chemistry, 23.06.2019 00:00
In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above
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Chemistry, 23.06.2019 01:30
Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.
Answers: 1
1) Leia as frases a seguir, algumas vezes encontradas em estabelecimentos comerciais ou propagandas....
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