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nalin [4]
2 years ago
15

Dbv-qyag-dsc.join this now on meet​

Chemistry
1 answer:
Rasek [7]2 years ago
7 0

Answer:

Don't post any question if isn't related to the topic or to your homework or assignment.

Explanation:

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The yttrium- nuclide radioactively decays by electron capture. Write a balanced nuclear chemical equation that describes this pr
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Answer:

See explanation and image attached

Explanation:

Yttrium has many isotopes, the lowest mass number of Yttrium  is 89Y.

Recall that electron capture converts an electron into a proton and then into a neutron with a consequent emission of a neutrino (v).

In electron capture, the mass number of the daughter nucleus remains the same as that of the parent nucleus while the atomic number of the daughter nucleus is less than that of the parent by one unit.

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3 years ago
What is the value for ∆Soreaction for the following reaction, given the standard entropy values?
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To get the ∆S of the reaction, we simply have to add the ∆S of the reactants and the ∆S of the products. Then, we get the difference between the ∆S of the products and the ∆S of the products. If the <span>∆S is negative, then the reaction spontaneous. If the otherwise, the reaction is not spontaneous.</span>
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2 years ago
What is the theoretical yield of NaBr
dolphi86 [110]

The theoretical yield of NaBr given that 2.36 moles of FeBr₃ reacts is 7.08 moles

<h3>Balanced equation </h3>

2FeBr₃ + 3Na₂S → Fе₂S₃ + 6NaBr

From the balanced equation above,

2 moles FeBr₃ reacted to produce 6 moles of NaBr

<h3>How to determine the theoretical yield of NaBr</h3>

From the balanced equation above,

2 moles FeBr₃ reacted to produce 6 moles of NaBr

Therefore,

2.36 moles FeBr₃ will react to produce = (2.36 × 6) / 2 = 7.08 moles of NaBr

Therefore,

Thus, the theoretical yield of NaBr is 7.08 moles

Learn more about stoichiometry:

brainly.com/question/14735801

#SPJ1

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2 years ago
Explain why we must balance all chemical equations
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The chemical equation needs to be balanced so that it follows the law of conservation of mass.

Explanation:

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A high school chemistry teacher needs to dilute her stock of
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350ml

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