What mass of HCl will dissolve in 100g of water at 40 oC?
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Chemistry, 22.06.2019 12:00
Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
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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, 23.06.2019 03:30
Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon
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Chemistry, 23.06.2019 03:50
Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer.
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