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In-s [12.5K]
2 years ago
13

The characteristics of two different types of reactions are shown downwards

Chemistry
2 answers:
a_sh-v [17]2 years ago
4 0

Answer:

Valence electrons are involved in Reaction B but not in Reaction A.

Explanation:

The description of reaction A in which protons are lost or gained by the atom of the element is a nuclear reaction. In nuclear reactions, the nucleons which are the protons and neutrons drives the reaction. No valence electrons in the orbiting shells are involved in this kind of reaction. During this type of reaction, an atom changes it identity to that of another.

Reaction B in which no identity change occurs is a chemical reaction. In chemical reactions bonds are formed by the atoms using the valence electrons that orbits round the central nucleus. The atoms remain the same but it chose to attain stability and an inert configuration by losing or gaining electrons.

scoray [572]2 years ago
3 0

Answer:

Valence electrons are involved in Reaction B but not in Reaction A.

Explanation:

took the test

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They are all <u>non-metal elements</u>.
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2 years ago
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How is a gas's ability to fill a container different from that of a liquid or a solid?
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3 years ago
(GIVING BRAINLIEST)Match the type of chemical bond with the best description:
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Answer:

A and 3

B and 2

C and 1

Explanation:

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8 0
2 years ago
An acid with molar mass 84.48 g/mol is titrated with 0.650 M KOH. What volume of KOH solution is needed to titrate 1.70 grams of
RSB [31]

Answer:

V=0.0310L=3.10mL

Explanation:

Hello.

In this case, since the acid is monoprotic and the KOH has one hydroxyl ion only, we can see that at the equivalence point the moles of both of them are the same:

n_{acid}=n_{KOH}

Thus, since we are given 1.70 g of the acid, we compute the moles of acid that were titrated:

n_{acid}=1.70g*\frac{1mol}{84.48g}=0.0201mol

Which equal the moles of KOH. In such a way, since the molarity is defined as moles over liters (M=n/V), the liters are moles over molarity (V=n/M), thus, the resulting volume is:

V=\frac{0.0201mol}{0.650mol/L}\\\\V=0.0310L=3.10mL

Best regards!

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Part I: Multiple Choice Questlons
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Answer:

A cuz a heterogeneous mixture is no uniform

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