Chemistry, 15.12.2020 18:00, puchie1225
Se 2A --> 3B + O2(g), ao serem introduzidas 2 moles do composto A, qual a quantidade de oxigénio O2 se forma? Mw(O)=16g/mol
Answers: 3
Chemistry, 22.06.2019 02:00, hemolelekeakua
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 15:00, MilanPatel
How is the shape of the poem “peer” connected to its meaning?
Answers: 2
Chemistry, 23.06.2019 01:50, UncleVictor5188
Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?
Answers: 1
Chemistry, 23.06.2019 15:50, titocerber
Astable atom that has a large nucleus most likely contains 1. more neutrons than protons. 2.more protons than neutrons. 3.equal numbers of protons and neutrons. 4.changing numbers of protons and neutrons.
Answers: 1
Se 2A --> 3B + O2(g), ao serem introduzidas 2 moles do composto A, qual a quantidade de oxigénio...
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