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Ann [662]
3 years ago
7

The equation h3po4 + 3koh →k3po4 + 3h2o is an example of which type of reaction?

Chemistry
1 answer:
jekas [21]3 years ago
8 0
(H3po4) is colorless, syrup + Potassium Hydroxide(3koh)-> Tripotassium phosphate(k3po4)+Water(3h2o which means it has 3 water molecules)
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Gaseous hydrogen iodide is placed in a closed container at 425∘C, where it partially decomposes to hydrogen and iodine: 2HI(g)⇌H
murzikaleks [220]

Answer:

0.0184

Explanation:

Let's consider the following reaction at equilibrium.

2 HI(g) ⇌ H₂(g) + I₂(g)

The concentration equilibrium constant (Kc) is equal to the product of the concentration of the products raised to their  stoichiometric coefficients divided by the product of the concentration of the reactants raised to their  stoichiometric coefficients.

Kc = [H₂] × [I₂] / [HI]²

Kc = (4.78 × 10⁻⁴) × (4.78 × 10⁻⁴) / (3.52 × 10⁻³)²

Kc = 0.0184

5 0
3 years ago
It has been found by mass spectrometric analysis that in nature, the relative abundances of the various isotopic atoms of silico
pochemuha

Answer:

This means that the isotope of silicon with a mass number of 28 is by far the most common of these three isotopes.

Explanation:

The abundance of Si-28 is 92.23%. Si-29 is 4.68% and Si-30 is 3.09%.

Because most Si atoms have a mass of 28 amu, the average mass of all silicon atoms is very close to 28.

Here is a video which summarizes how to calculate average atomic mass from data about mass and relative abundance.

8 0
3 years ago
Consider a transition of the electron in the hydrogen atom from n=5 to n=9. Determine the wavelength of light that is associated
lesantik [10]
Lol i need to answer more and plus n could also = # 4.65
5 0
3 years ago
HELP ME PLEASE !!!!!!!!!!!
xenn [34]

Answer:

1231

Explanation:

nnfjjkdnsggjnSVDDK and that how u get the answer i a grammer

6 0
3 years ago
Which action would shift this reaction away from solid calcium fluoride and toward the dissolved ions? which action would shift
ANTONII [103]
Hello!

The chemical reaction for the dissolving of calcium fluoride is the following:

CaF₂(s) ⇄ Ca⁺²(aq) + 2F⁻(aq)

In this reaction, and according to Le Chatelier's principle, the action that would shift this reaction away from solid calcium fluoride and towards the dissolved ions is the removing of fluoride ions.

Le Chatelier's principle
states that in an equilibrium reaction, the system would shift in the opposite direction of the changes. If we remove fluoride ions from the system, it will shift towards the formation of more fluoride ions by dissolving more Calcium Fluoride to achieve equilibrium again.

Have a nice day!
6 0
3 years ago
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