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3241004551 [841]
3 years ago
6

* What element has an electron configuration of

Chemistry
1 answer:
Aloiza [94]3 years ago
5 0

Answer:

phosphorus

Explanation:

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Hi , the Phylogenetic tree is also called Dendrogram .
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Why is beryllium-8 different from beryllium-9 in terms of the nuclear particles?
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Answer:

Beryllium-8 (8Be, Be-8) is a radionuclide with 4 neutrons and 4 protons. It is an unbound resonance and nominally an isotope of beryllium. It decays into two alpha particles with a half-life on the order of 10−16 seconds; this has important ramifications in stellar nucleosynthesis as it creates a bottleneck in the creation of heavier chemical elements. The properties of 8Be have also led to speculation on the fine tuning of the Universe, and theoretical investigations on cosmological evolution had 8Be been stable.

Explanation:

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3 years ago
What is the percent composition of hydrogen in glucose
Ulleksa [173]

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<h2>67%</h2>

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3 years ago
Microscopic shells that are buried under the seabed are converted to organic sedimentary rocks. During this process, which prope
ahrayia [7]

Mass of the shells will remain constant.

Explanation:

Sedimentary rocks are formed by the rocks that have been weathered. The microscopic shells, small pieces of rocks and mineral particles get deposited on this weathered sedimentary rocks.

The texture or chemical properties of the microscopic shell get changed. but the amount of microscopic shell deposited to make sedimentary rocks remains the same.

Chalk and coral reefs are the example of sedimentary rocks made up with microscopic shells.

The skeletal part of the shells takes part in rock formation whose mass remains unchanged although physical and chemical properties go changes.

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4 years ago
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What is Keg for the reaction N2 + 3H2 = 2NH2 if the equilibrium
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<u>Answer:</u> The equilibrium constant for the given reaction is 1.33

<u>Explanation:</u>

We are given:

Equilibrium concentration of ammonia = 2 M

Equilibrium concentration of nitrogen gas = 3 M

Equilibrium concentration of hydrogen gas = 1 M

For the given chemical equation:

N_2+3H_2\rightleftharpoons 2NH_3

The expression of K_{eq} for above equation follows:

K_{eq}=\frac{[NH_3]^2}{[N_2][H_3]^3}

Putting values in above equation, we get:

K_{eq}=\frac{(2)^2}{3\times (1)^3}\\\\K_{eq}=1.33

Hence, the equilibrium constant for the given reaction is 1.33

4 0
3 years ago
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