Chemistry, 02.03.2021 23:20 holderpatriciaoy8h7j
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-Pour visualiser un faicseaux de lumière , on doit mettre sur le trajet de la lumière du faicseaux ( un solide / des particules diffusantes )
-Le miroir est un milieu ( opaque / translucide )
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Chemistry, 22.06.2019 13:30
Table sugar completely dissolved in water is an example of a?
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Chemistry, 22.06.2019 21:00
The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
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Chemistry, 23.06.2019 00:30
Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?
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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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