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3 years ago

LOOK AT THE PICTURE!! i’ll mark as brainliest!!

Chemistry

2 answers:

Lera25 [3.4K]3 years ago

8 0

Answer:

Explanation:

Fofino [41]3 years ago

8 0

First I’d go with Cl-Cl. Second I would go with sodium iodide

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What do you call each of the following changes of state:

Alinara [238K]

a. Solid to liquid - melting process

b. Liquid to gas - evaporation process

c. Gas to solid - deposition process

d. Solid to gas - sublimation process

e. Liquid to solid - solidification process

f. Gas to liquid - condensation process

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3 years ago

What is the total probability of finding a particle in a one-dimensional box in level n = 4 between x = 0 and x = L/8?

Lubov Fominskaja [6]

Answer:

P = 1/8

Explanation:

The wave function of a particle in a one-dimensional box is given by:

$\psi = \sqrt \frac{2}{L} sin(\frac{n \pi x}{L})$

Hence, the probability of finding the particle in the one-dimensional box is:

$P = \int_{x_{1}}^{x_{2}} \psi^{2} dx$

$P = \int_{x_{1}}^{x_{2}} (\sqrt \frac{2}{L} sin(\frac{n \pi x}{L}))^{2} dx$

$P = \frac{2}{L} \int_{x_{1}}^{x_{2}} (sin^{2}(\frac{n \pi x}{L}) dx$

Evaluating the above integral from x₁ = 0 to x₂ = L/8 and solving it, we have:

$P = \frac{2}{L} [\frac{L}{16} (1 - 4\frac{sin(\frac{n \pi}{4})}{n \pi})]$

$P = \frac{1}{8} (1 - 4\frac{sin(\frac{n \pi}{4})}{n \pi})$

Solving for n=4:

$P = \frac{1}{8} (1 - 4\frac{sin(\frac{4 \pi}{4})}{4 \pi})$

$P = \frac{1}{8} (1 - \frac{sin (\pi)}{\pi})$

$P = \frac{1}{8}$

I hope it helps you!

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3 years ago

A change where compounds are formed or decomposed is a(n) physical change phase change nuclear change chemical change

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It's a chemical change because a new compound is formed

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What is the mass of 25 Liters of nitrogen dioxide gas?

ValentinkaMS [17]

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coileach

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scientists often look for and attempt to explain patterns in nature. explain why patterns are important

Ronch [10]

patterns are important because they prove life has meaning ( or if you mean

Scientifically is is that the ability to recognize and create patterns help scientists make predictions based on there observations.

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3 years ago