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3 years ago

An atom's electrons have a great effect on

2 answers:

7 0

An atom's electrons have a great effect on how ''chemically reactive atom is".

An atom is a small particle that can exist or be combined with other atoms which forms a molecule. An atom is a chemical element.

Hope this helps :)

Dmitry [639]3 years ago

6 0

The correct answer is C. How chemically reactive the atom is.

Explanation:

An atom contains a nucleus with protons and neutrons as well as electrons negatively charged and bounded to the nucleus. Electrons do not affect the mass of the atom defined by the neutrons and protons, also they do not have and influence on the element the atom belongs to that is defined by protons but they affect magnetism and reactivity.

In terms of reactivity, this is mainly influenced by the number of electrons in the external shell of the atoms as this can form bonds with other atoms and therefore had a chemical reaction. Thus, an atom's electrons have a great effect on how chemically reactive the atom is.

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A sample of hydraulic acid has a volume of 2.3L. What is the volume of acid in gallons?

Assoli18 [71]

0.60759572 gal is the volume of acid in gallons in a sample of hydraulic acid .

<h3>What do mean by the term "gallons" ?</h3>

The gallon is a unit of measurement for volume and fluid capacity in both the US units and the British imperial systems of measurement.

In SI base units, 1 Gal is equal to 0.01 m/s²

Since ,

1 L, l = 0.2641720524 gal

now, volume of acid in gallons is given by -

2.3 L, l = 2.3 × 0.2641720524 gal

=0.60759572 gal

Hence , 0.60759572 gal is the volume of acid in gallons in a sample of hydraulic acid .

Learn more about gallon ,here:

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7 0

2 years ago

Read 2 more answers

Brainliest to whoever gets it correct.

lakkis [162]

Answer:

replacement

Explanation:

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7 0

3 years ago

Read 2 more answers

H2O2 → H2O + O2

vladimir2022 [97]

Answer:

75.47

Explanation:

AS WE CANT WEIGHT AIR THE ANSWER IS CORRECT

8 0

3 years ago

The reaction of iron and water vapor results in an equilibrium3 Fe(s) + 4 H2O (g) ⇋ Fe3O4 (s) + 4 H2 (g) Kc = 5.0 at 800.°CWhat

labwork [276]

<u>Answer:</u> The equilibrium concentration of water is 0.1 M

<u>Explanation:</u>

To calculate the molarity of solution, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}}{\text{Molar mass of solute}\times \text{Volume of solution (in L)}}$

Given mass of hydrogen gas = 7.5 g

Molar mass of hydrogen gas = 2 g/mol

Volume of solution = 15.0 L

Putting values in above equation, we get:

$\text{Molarity of hydrogen gas}=\frac{7.5}{2g/mol\times 15.0}\\\\\text{Molarity of hydrogen gas}=0.25M$

For the given chemical equation:

$3Fe(s)+4H_2O(g)\rightleftharpoons Fe_3O_4(s)+4H_2(g)$

As, the reaction is initiated by hydrogen gas, the reaction will proceed backwards and the equilibrium constant will be the reciprocal of equilibrium constant for the given reaction.

Now, the reaction becomes:

$Fe_3O_4(s)+4H_2(g)\rightleftharpoons 3Fe(s)+4H_2O(g);K_c'$

Initial: 0.25

At eqllm: 0.25-4x 4x

We are given:

$K_c=5.0$

So, $K_c'=\frac{1}{5.0}=0.2$

The expression of $K_c'$ for above equation follows:

$K_c'=\frac{[H_2O]^4}{[H_2]^4}$

The concentration of pure solids and liquids are taken as 1 in the equilibrium constant expression.

Putting values in above equation, we get:

$0.2=\frac{(4x)^4}{(0.25-4x)^4}\\\\x=-0.126,0.025$

Neglecting the value of x = -0.126 because concentration cannot be negative.

So, equilibrium concentration of water = $4x=(4\times 0.025)=0.1M$

Hence, the equilibrium concentration of water is 0.1 M

7 0

3 years ago

Given the balanced equation representing a reaction:

velikii [3]

The answer is (1) the reaction is exothermic because it releases heat. From the reaction, we can see that the heat is at the right of the equation which means the reaction releases heat. So it is called exothermic reaction. Endothermic reaction absorbs heat.

7 0

4 years ago