O alumínio é utilizado como redutor de óxidos, no processo de nominado de aluminotermia, conforme mostra a equação química: 8 Al(s) + 3 Mn3O4(s) → 4 Al2O3(s) + 9Mn(s) Dados: Al2O3(s) H=-1667,8; Mn3O4(s) H= -1385,3 Segundo a equação acima, para a obtenção do Mn(s), qual será a variação de entalpia, em KJ?
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 16:00
If the same amount of cacl2 is added to equal volumes of water and maple syrup, which will have the higher temperature?
Answers: 1
Chemistry, 21.06.2019 17:10
There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
Answers: 3
Chemistry, 21.06.2019 22:00
The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100
Answers: 2
Chemistry, 23.06.2019 00:30
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
Answers: 1
You know the right answer?
O alumínio é utilizado como redutor de óxidos, no processo de nominado de aluminotermia, conforme mo...
Questions
Health, 04.02.2020 10:59
Biology, 04.02.2020 10:59
Mathematics, 04.02.2020 10:59
History, 04.02.2020 10:59
Mathematics, 04.02.2020 10:59
Mathematics, 04.02.2020 10:59
Mathematics, 04.02.2020 10:59
Mathematics, 04.02.2020 10:59
Mathematics, 04.02.2020 10:59
Mathematics, 04.02.2020 10:59
Social Studies, 04.02.2020 10:59
Biology, 04.02.2020 10:59
