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4 years ago

When the length of a chemical bond is short...

Chemistry

1 answer:

Monica [59]4 years ago

7 0

Answer:

Option c. is correct

Explanation:

A chemical bond enables the formation of chemical compounds depending on the nature of the participating atoms like atoms, ions or molecules.

These are formed as a result of the force of attraction between oppositely charged ions.

It is formed by the overlapping of the atomic orbitals of the two atoms.

When the length of a chemical bond is short an electron is held tighter and the bond is stronger

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How many moles of iron are there in 55.85g of Fe3O4

soldier1979 [14.2K]

Answer:

• Molecular mass of Iron (III) tetraoxide

$\dashrightarrow \: { \tt{(56 \times 3) + (16 \times 4)}} \\ = { \tt{168 + 64}} \\ = { \tt{232\:g}}$

[ molar masses: Fe → 56, O → 16 ]

$\dashrightarrow \:{ \rm{232 \: g \: = 1 \: mole}} \\ \\ \dashrightarrow \: { \rm{55.85 \: g = ( \frac{55.85}{232}) \: moles }} \\ \\ \dashrightarrow \: { \boxed{ \tt{ = 0.24 \: moles}}}$

8 0

3 years ago

Given the balanced equation representing a reaction:

sleet_krkn [62]

4Al(s) + 3O2(g) --> 2Al2O3(s) This is the balanced.
From the equation:

4 moles of Al required 3 moles of O2 to produce 2 moles of Al2O3

3 moles of O2 reacted with 4 moles of Al to produce 2 moles of Al2O3
1 mole of O2 reacted with 4/3 moles of Al to produce 2/3 moles of Al2O3 (Divide by 3)
4.5 moles of O2 reacted with (4/3 *4.5) moles of Al to produce (2/3*4.5) moles of Al2O3

4.5 moles of O2 reacted with 6moles of Al to produce 3moles of Al2O3

(3) is the answer. 6 mol of Al.

7 0

3 years ago

What is the heat in joules required to melt 25 grams of ice?

AfilCa [17]

Answer:

8,350 Joules

Hope this helps

7 0

3 years ago

Use the periodic table to write the electron configuration for rubidium (Rb) in noble has notation

Alexxx [7]

Answer:

Rb: [Kr] 5s

Step-by-step explanation:

Rb is element 37, the first element in Period 5.

It has one valence electron, so its valence electron configuration is 5s.

The noble gas configuration uses the symbol of the previous noble gas as a shortcut for the electron configurations of the inner electrons.

The preceding noble gas is Kr, so the electron configuration is Rb: [Kr] 5s.

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4 years ago

Which factor of production would water be considered?

mamaluj [8]

Explanation:

land.

I think it is the answer

6 0

3 years ago

Read 2 more answers