Chemistry

Chemistry, 22.04.2021 23:10, patrickdolano

How might using water somethimes require changing its original state?

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Chemistry, 21.06.2019 15:20, zymikaa00

Both 1,2−dihydronaphthalene and 1,4−dihydronaphthalene may be selectively hydrogenated to 1,2,3,4−tetrahydronaphthalene. one of these isomers has a heat of hydrogenation of 101 kj/mol (24.1 kcal/mol), and the heat of hydrogenation of the other is 113 kj/mol (27.1 kcal/mol). match the heat of hydrogenation with the appropriate dihydronaphthalene.

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In any energy conversion, some of the energy is lost to the environment as question 5 options: electrical energy potential energy sound energy thermal energy

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Chemistry, 22.06.2019 14:10, hdeen7373

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.

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Chemistry, 22.06.2019 15:30, angie249

The identities of substances are the same before and after which type of change

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