Computing the mass of hydrogen
Al(s) + HCl(aq) AlCl3(aq) + H2(g)
What mass of hydrogen can be produced from 2.90 g of aluminum and 14.0 g of HCl in the above unbalanced reaction? Use at least as many significant figures in your molar masses as in the data given.
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Two kilograms of air within a piston-cylinder assembly executes a Carnot power cycle with maximum and minimum temperatures of 750K and 300K, respectively.
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You need 100.00 mL of H2O and 5.00 mL of liquid plant food to make a solution for your plants. You forgot to bring a measuring cup out to the greenhouse, but you do have a scale and know that the density of H2O is 1.00 g/cm3, the density of liquid
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Salut a tous ;je suis étudiant en fin de cycle option électromécanique et je voulais s'avoir les dimensions d'un panneau PV de modèle ecen2060 ET le lieu de fabrication?
The first cycle receives energy by heat transfer from a cold reservoir at 300 K and rejects energy by heat transfer to a reservoir at an intermediate temperature T greater than 300 K.
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