Chemistry, 11.07.2019 14:00 87haymaker
Which of the following is a pure substance that can be separated by physical means and can’t be decomposed into other substances by chemical means a: element b: molecule c: compound d: mixture
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Chemistry, 22.06.2019 07:30
Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .
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Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
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Chemistry, 23.06.2019 03:50
What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.
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Chemistry, 23.06.2019 03:50
How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?
Answers: 2
Which of the following is a pure substance that can be separated by physical means and can’t be deco...
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