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Charra [1.4K]
3 years ago
12

Which type of radioactive emission has a positive charge and weak penetrating power?

Chemistry
1 answer:
vladimir2022 [97]3 years ago
3 0
1. The Alpha particle is a helium nucleus, is positively charged & would barely penetrate a piece of paper.<span />
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hurry please! avogadro's law relates the volume of a gas to the number of moles of gas when temperature and pressure are constan
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Answer:

Option B. 4 moles of the gaseous product

Explanation:

Data obtained from the question include:

Initial volume (V1) = V

Initial number of mole (n1) = 2 moles

Final volume (V2) = 2V

Final number of mole (n2) =..?

Applying the Avogadro's law equation, we can obtain the number of mole of the gaseous product as follow:

V1/n1 = V2/n2

V/2 = 2V/n2

Cross multiply

V x n2 = 2 x 2V

Divide both side by V

n2 = (2 x 2V)/V

n2 = 2 x 2

n2 = 4 moles

Therefore, 4 moles of the gaseous product were produced.

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Explanation:

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Answer:

1: due to difference in reactivity and melting point

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