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alukav5142 [94]
1 year ago
14

Two children on a seesaw are able to balance perfectly while on Earth. Would they still be balanced if the seesaw was brought to

the moon?(1 point)
No, they would not be balanced because their weights would change.
No, they would not be balanced because their masses would change.
Yes, they would still be balanced because their weights would not change.
Yes, they would still be balanced because their masses would not change.
Chemistry
2 answers:
ruslelena [56]1 year ago
6 0

Answer:

Yes, they would still be balanced because their masses would not change.

Explanation:

Gennadij [26K]1 year ago
5 0

Answer:

No, they would not be balanced because their weights would change.

Explanation:

Weight is the effect that gravitational pull has on objects on Earth whereas mass is how much matter there is in an object. Mass does not change despite gravitational pull, but the force of gravity (weight) is different depending on where you are.

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Read 2 more answers
In the reaction Pb + 2Ag+ – Pb2+ + 2Ag, the Ag+ is.
Travka [436]
<h2><u>Question :-</u></h2>

In the reaction Pb + 2Ag+ – Pb2+ + 2Ag, the Ag+ is.

a) Reduced, and the oxidation number changes from +1 to 0.

b) Reduces and the oxidation number changes from +2 to 0.

c) Oxidized and the oxidation number changes from 0 to +1.

d) Oxidized, and the oxidation number changes from +1 to 0.

<h3>____________________</h3>

<h2><u>Solution :-</u></h2>

<h3><u>Given Information :-</u></h3>

  • <u>Reaction ➢</u> Pb + 2Ag⁺ ⟶ Pb²⁺ + 2Ag

<h3><u>To Find :-</u></h3>

  • Whether Ag⁺ is:-

  • a) Reduced, and the oxidation number changes from +1 to 0.

  • b) Reduces and the oxidation number changes from +2 to 0.

  • c) Oxidized and the oxidation number changes from 0 to +1.

  • d) Oxidized, and the oxidation number changes from +1 to 0.

<h3><u>Answer :-</u></h3>

Firstly let us know the meaning of Oxidation & Reduction and Oxidizing & Reducing Agent :-

  1. Oxidation is process of loss of electron(s). Either atom or ion undergoing oxidation, is known as reducing agent.
  2. Reduction is process of gain of electron(s). Either atom or ion undergoing reduction, is known as oxidizing agent.

In this reaction, Ag⁺ gains an electron to get <u>reduced</u> to Ag. The oxidation number changes from +1 to 0. Therefore, Ag+ is an oxidizing agent.

Since, this possibility is given in option a). Reduced, and the oxidation number changes from +1 to 0. Hence, option a is the correct answer.

<h3>____________________</h3>

<h2><u>Final Answer :-</u></h2>

  • Option a. Reduced, and the oxidation number changes from +1 to 0 is correct answer.

<h3>____________________</h3>
5 0
2 years ago
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