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3 years ago

in the following reaction, how does increasing the pressure affect the equilibrium? 2 so2 (g) o2 (g) ⇌ 2 so3 (g) heat

Chemistry

1 answer:

Keith_Richards [23]3 years ago

4 0

Answer:

by the cause of the number of moles of reactant and products affect the rate of prrssure increase or decrease therefore it is increasing pressure and the eqiulbruim shifts toward the side of reaction with fewer mole of gases

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Hydrogen atoms absorb energy so that the electrons are excited to n=4. Calculate the wavelength, in

FromTheMoon [43]

Answer:

the wavelength, in nm, of the photon is 487.5 nm

Explanation:

Given:

n = 4 (excited)

n = 2 (relaxes)

Question: Calculate the wavelength, in nm, λ = ?

First, it is important to calculate the energy of the electron when it excited and then when it relaxes.

$E_{1} =\frac{-13.6}{n^{2} } =\frac{-13.6}{4^{2} } =-0.85eV$ (excited)

$E_{2} =\frac{-13.6}{2^{2} } =-3.4eV$ (relaxes)

The change of energy

ΔE = E₁ - E₂=-0.85 - (-3.4) = 2.55 eV = 4.08x10⁻¹⁹J

For a photon, the wavelength emitted

$\lambda =\frac{hc}{delta(E)}$

Here

h = Planck's constant = 6.63x10⁻³⁴J s

c = speed of light = 3x10⁸m/s

Substituting values:

$\lambda =\frac{6.63x10^{-34}*3x10^{8} }{4.08x10^{-19} } =4.875x10^{-7} m=487.5nm$

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3 years ago

HELP<br> ME<br> PLEASE!!!!!!!!!!

kobusy [5.1K]

Answer:

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Explanation:

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4 years ago

Read 2 more answers

Covalent compounds are generally not very hard. Justify the statement.

Eduardwww [97]

Covalent compounds are generally not very hard because they are formed by two or more nonmetallic atoms.

<h3>COVALENT COMPOUNDS:</h3>

Covalent compounds are compounds whose constituent elements are joined together by covalent bonds.

Covalent bonding occurs when two or more nonmetallic atoms of an element share valence electrons. This means that covalent compounds will not be physically hard since they constitute non-metals.

Examples of covalent compounds are:

H2 - hydrogen
H2O - water
HCl - hydrogen chloride
CH4 - methane

Learn more about covalent compounds at: brainly.com/question/21505413

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3 years ago

A proton has (blank)<br> charge.

Alekssandra [29.7K]

Hello there! A proton has a positive charge of (+1) and has a lesser mass compared to a neutron! Hope this helps! Have a great day!

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3 years ago

Calculate the pH of the resulting solution if 26.0 mL of 0.260 M HCl(aq) is added to:

enyata [817]

So in your question that ask to calculate the Ph result of the resulting solution if 26 ml of 0.260 M HCI(aq) is added to the following substance. The the result are the following:
A. The result is pH= 14-pOH
B. There are 10ml of 0.26m HCL excees in this reaction so the answer is log(H)+

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4 years ago