11,12,13,14 please...
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Chemistry, 22.06.2019 18:00
Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
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Chemistry, 22.06.2019 22:30
Which of the following is true about the speed of light? it depends on the wavelength.
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Chemistry, 23.06.2019 02:00
The bone of a dinosaur and the imprint of a leaf are examples of which kind of fossils? a) index b) body c) amber d) trace
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