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svetoff [14.1K]
2 years ago
6

The reaction of aluminum metal with oxygen gas typically produces the product with the formula A) Al2O B) Al2O3 C) Al3O2 D) AlO

Chemistry
2 answers:
Ierofanga [76]2 years ago
5 0

<u>Answer:</u> The correct answer is Al_2O_3

<u>Explanation:</u>

Aluminium is the 13th element of the periodic table with electronic configuration of 1s^22s^22p^63s^23p^1

This element looses 3 electrons and shows an oxidation state of +3.

Oxygen is the 8th element of the periodic table with electronic configuration 1s^22s^22p^4

This element will gain 2 electrons and shows an oxidation state of -2.

By criss-cross method, the oxidation state of aluminium and oxygen gets revered and they form the coefficients of the compound.

Hence, the compound formed will have the chemical formula of Al_2O_3

Marat540 [252]2 years ago
3 0
B because Al is +3 and O is -2
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You just have to take the periodic table of the elements, take the element that interests you. Then, you look at the formula of the element, at the top left you find the number of neutrons and protons and at the bottom left you find the number of protons. Then you just have to make the number from the top left minus the number from the bottom left.

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Does boron or lithium have a greater first ionization energy ?
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6 0
2 years ago
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Si una masa dada de hidrógeno ocupa 40 litros a 700 grados torr. ¿Qué volumen ocupará a 1 atmósfera de presión? (dar la presión
Svetach [21]

Answer:

V_2=36.84L

Explanation:

Hola,

En este caso, podemos usar la ley de Boyle, la cual nos permite analizar el comportamiento volumen-presión en un gas ideal de manera inversamente propocional:

P_1V_1=P_2V_2

Así, dado el volumen y la presión inicial, la cual se convierte a atmósferas (760 torr = 1atm), calculamos el volumen final a 1 atm como se muestra a continuación:

V_2=\frac{P_1V_1}{P_2}=\frac{700torr*\frac{1atm}{760torr}*40l }{1atm}\\  \\V_2=36.84L

Saludos!

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What type of rock commonly often contains gas bubbles and the mineral(s) hornblende, muscovite, olivine, lucite, and/or plagiocl
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Scoria is an extrusive igneous rock with a lot of cavities and vesicles indicating gas bubbles.

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learn more:

Volcanoes brainly.com/question/5055821

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