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gizmo_the_mogwai [7]

3 years ago

6

When methane is burned with oxygen, the products are carbon dioxide and water. if you produce 9 grams of water and 11 grams of c

arbon dioxide from 16 grams of oxygen, how many grams of methane were needed for the reaction? 4 31 20 40 none of the above?

1 answer:

Alina [70]3 years ago

3 0

4 grams of methane is <span>burned with oxygen,. Hope this helped</span>

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The smallest part of a molecule is called

yarga [219]

Answer:

D atom

Explanation:

The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms

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Reaction with lithium and aluminum chloride formula?

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it will produce aluminum hydride and lithium chloride.

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Vertical columns in the periodic table indicate what information? . . . A.. periods. . . B.. liquids. . . C.. synthetic elements

kozerog [31]

The answer is D. groups and families

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1. __ Fe +_ Cl → __FeCl3

Temka [501]

Answer:

2Fe + 3Cl2 → 2FeCl3

Explanation:

Fe + Cl2 —> FeCl3

There are 3atoms of Cl on the right side and 2 atoms on the left side. Therefore, to balance Cl put 2 in front of FeCl3 and put 3 in front of Cl2 as shown below:

Fe + 3Cl2 → 2FeCl3

Now, we see clearly that there are 2 atoms of Fe on the right side and 1 on the left side. This can be balanced by putting 2 in front of Fe as shown below:

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Write the Iconic Bond to Metals

Nutka1998 [239]

<u>Answer:</u> The ionic compound formed is magnesium chloride having formula $MgCl_2$

<u>Explanation:</u>

Ionic compound is defined as the compound which is formed by complete transfer of electrons from one atom to another atom.

The atom which looses the electron is known as electropositive atom and the atom which gains the electron is known as electronegative atom. This bond is usually formed between a metal and a non-metal.

Magnesium is the 12th element of the periodic table having electronic configuration of $1s^22s^22p^63s^2$

This element will loose 2 electrons to form $Mg^{2+}$ ion

Chlorine is the 17th element of the periodic table having electronic configuration of $1s^22s^22p^63s^23p^5$

This element will gain 1 electron to form $Cl^{-}$ ion

So, for every 1 atom of magnesium, 2 atoms of chlorine are required. Thus, the chemical formula becomes $MgCl_2$

Hence, the ionic compound formed is magnesium chloride having formula $MgCl_2$

6 0

3 years ago