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3 years ago

Explain why noble gases usually do not form bonds with other atoms?

1 answer:

8 0

Noble gases' outer shells are already filled with 8 electrons (other than He, which has 2, but is still filled and stable). Atoms bond with other elements to fill their outer shell, but they don't need to do that and are already stable.

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Calculate the equilibrium constant for the reaction using the balanced chemical equation and the concentrations of the substance

Oliga [24]

Answer:

4.75 is the equilibrium constant for the reaction.

Explanation:

$CO(g)+H_2O(g)\rightleftharpoons CO_2(g)+H_2(g)$

Equilibrium concentration of reactants :

$[CO]=0.0590 M,[H_2O]=0.00600 M$

Equilibrium concentration of products:

$[CO_2]=0.0410 M,[H_2]=0.0410 M$

The expression of an equilibrium constant is given by :

$K_c=\frac{[CO_2][H_2]}{[CO][H_2O]}$

$K_c=\frac{0.0410 M\times 0.0410 M}{0.0590M\times 0.00600 M}$

$K_c=4.75$

4.75 is the equilibrium constant for the reaction.

3 0

3 years ago

What is the subscript of Carbon in Isovaleric acid C5H10O2

muminat

You should use g I recommend bro it’s quick and easy to used:) irkedb s wendndj

7 0

3 years ago

In a chemical reaction, one of the chemical reactants is present in______ to make sure that the limiting reagent is completely c

Nata [24]

Answer: excess

Explanation: i guesses and got the answer right

8 0

3 years ago

In a chemical change

Vsevolod [243]

Answer:

B. materials change their properties.

Explanation:

In a chemical change, materials often change their properties because a re-arrangement of atoms takes place.

A chemical change is one in which new kind of matter is formed.

It is always accompanied by energy changes.

Chemical changes are not reversible.
They lead to the production of new kinds of matter
It involves mass changes
Requires considerable amount of energy

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3 years ago

I need help with this ASAP

NNADVOKAT [17]

Answer: I dunno that but u should give me brainliest

Explanation:

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3 years ago