Aluminium and iron oxide (fe2o3) react together to produce aluminium oxide (al2o3) .
2al+fe2o3—> al2o3+2fe

(a)calculate mass of iron that is produced by reacting 20g of iron oxide with an excess of aluminium.

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What are the variables in gay-lussac’s law? pressure and volume pressure, temperature, and volume pressure and temperature volume, temperature, and moles of gas

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)