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Chemistry, 28.06.2019 09:00 ayeheavymetal
When mrs. green describes the physical properties of matter she said that physical properties often concern changes in state. one physical property that does not describe a change in state is
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Chemistry, 21.06.2019 12:50
Use the standard enthalpies of formation for the reactants and products to solve for the δhrxn for the following reaction. (the δhf of c2h4 is 52.26 kj/mol, co2 is -393.509 kj/mol, and h2o is -241.818 kj.) c2h4 (g) + 3o2(g) 2co2 (g) + 2h2o(g) δhrxn = the reaction is .
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Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.
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Chemistry, 22.06.2019 06:30
Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d
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When mrs. green describes the physical properties of matter she said that physical properties often...
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