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zavuch27 [327]
3 years ago
7

1s22s22p63s23p64s23d104p65s24d9 what is this element

Chemistry
2 answers:
vfiekz [6]3 years ago
6 0

Answer:

Silver(Ag)

Explanation:

We could count the total number of electrons by looking at the electron configuration.

The count of the total number of electrons will tell us the Atomic Number.

From that we can tell what element it is.

To calculate Atomic Number we see the configuration.

2+2+6+2+6+2+10+6+2+9=47

Silver has the Atomic number of 47.

makkiz [27]3 years ago
4 0

Answer:

I think its

Non-ionic strotium

Explanation:

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Since Qp>Kp , the reaction is not at equilibrium.

<h3>What is the equilibrium constant?</h3>

The equilibrium constant shows the extent to which reactants are converted into products.

Now we have to obtain the Qp as follows;

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Qp = 0.265/(0.265) (0.265)^2

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2 years ago
A sample of 42 mL of carbon dioxide gas was placed in a piston in order to maintain a constant 101 kPa of pressure.
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Answer:

The answer to your question is 33.4 ml

Explanation:

Data

volume 1 = V1 = 42 ml

temperature 1 = T1 = 20°C

temperature 2 = T2 = -60°C

Volume 2 = V2 = x

Process

1.- Convert celsius to kelvin

T1 = 20 + 273 = 293°K

T2 = -60 + 273 = 233°K

2.- Use the Charles' law to solve this problem

               \frac{V1}{T1} = \frac{V2}{T2}

Solve for V2

                V2 = \frac{V1T2}{T1}

3.- Substitution

               V2 = \frac{(42)(233)}{293}

4.- Simplification

                V2 = \frac{9786}{293}

5.- Result

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