Chemistry, 15.12.2021 01:00 anoyinpokep3c3sg
On souhaite mesurer l'intensité du courant électrique qui traverse la lampe dans chaque montage (fig 1 et fig 2). reproduit les schémas en ajoutant l'appareil nécessaire pour mesurer l'intensité et indiqué les bornes<A et Com>
Answers: 1
Chemistry, 21.06.2019 20:30
Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?
Answers: 1
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?
Answers: 2
Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
On souhaite mesurer l'intensité du courant électrique qui traverse la lampe dans chaque montage (fig...
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