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Zolol [24]
3 years ago
5

Which is one way to determine whether a reaction was a chemical reaction or a nuclear reaction?

Chemistry
2 answers:
Elena-2011 [213]3 years ago
7 0

Answer:

A. Check for a change in total mass during the reaction.

Roman55 [17]3 years ago
5 0
Answer: check for a change in total mass during a reaction.

According to the law of conservation of mass during a chemical change the total mass of the products remains equal to the total mass of the reactants: there is not change in the total mass.

During nuclear reactions the mass can change due to the huge release of energy which proceeds from mass change, as per the famous equation ΔE =Δm. c^2.
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The type of bonds present in the compound. and the type of structure it has and the elements that are presents and the number of moles of each element in one mole of the compound.
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3 years ago
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6) A student measures out 96.21 g of sulfur for an experiment. How many moles of Sulfur are in this
barxatty [35]

Atomic mass of Sulfur = 32g

32g of Sulfur is one mole.

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2, 4, 1

Explanation:

We have the following chemical reaction:

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To balance the chemical equation the number of atoms of each element entering the reaction have to be equal to the number of atoms of each element leaving the reaction, in order to conserve the mass.

So the balanced chemical equation is:

2 Ag₂O → 4 Ag + O₂

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tino4ka555 [31]
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8 0
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The chart shows the voltage of four electric currents.
masha68 [24]

Answer: The correct option is Current W flows at a higher rate than Current Z.

Explanation: To answer this question, we will require Ohm's law.

Ohm's Law states that the current flowing through a conductor across two points is directly proportional to the voltage difference across that two points.

Mathematically,

V=IR

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V\propto I

Hence, as the current W is greater of all the given currents so, it will flow at a higher rate.

Therefore, the correct answer is Current W flows at a higher rate than Current Z.

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3 years ago
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