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il63 [147K]
1 year ago
15

CAN someone please help me !!!!!!!!!!!

Chemistry
1 answer:
vova2212 [387]1 year ago
4 0

Yes, the motor would run faster because the increased electrical force increases the magnetic force in the motor. That is option B.

<h3>What are electrical forces?</h3>

An electrical field is defined as the type of field that is surrounded by charged particles which may be negatively or positively charged.

A battery is an electron chemical cell that has the ability to generate electrical energy through chemical reaction in its cells.

A magnetic force is defined as the type of force generated through the action of moving electric charges or magnetic materials.

When the number of batteries in a circuit is being increased, there would be increase in the input voltage leading to an increase in the magnitude of the speed.

Therefore, the motor is expected to run faster because of the increased magnetic force of the motor which is caused by increase electrical force.

Learn more about magnetic field here:

brainly.com/question/26257705

#SPJ1

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chubhunter [2.5K]
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6 0
2 years ago
How would the pH value of an aqueous solution change, when the hydronium ion concentration is increased by a factor of 10?
Anna71 [15]

Answer:

Increasing H⁺ by 10x => pH decreases by 1 unit

Explanation:

In general, adding H⁺ ions to any aqueous solution ALWAYS causes pH values to fall ( decrease ). Just as adding OH⁻ ions to an aqueous solution causes pH values to rise ( increase ).

Here's a simple calculation demonstrating this...

Given 0.01M HCl(aq) => 0.01M H⁺(aq) + Cl⁻(aq) => pH = -log(0.01) = 2.00

Increase [H⁺] by 10x => 0.10M H⁺(aq) => pH = -log[H⁺] = -log(0.10) = 1.00

Solution with higher H⁺ concentration shows <u>pH decreasing by 1 unit.</u>

______________________________________________________-

Just to support the above statement about adding OH⁻ ions showing an increase in pH values, the following is also provided FYI ..

Given 0.01M NaOH(aq) => 0.01M OH⁻(aq) + Na⁺(aq) => pOH = -log(0.01) = 2.00 => pH = 14 - pOH = 14 - 2 = 12

Increase [OH⁻] by 10x => 0.10M OH⁻(aq) => pOH = -log[OH⁻] = -log(0.10) = 1.00 => pH = 14 - pOH = 14 - 1 = 13

Increasing [OH⁻] by 10x => <u>increasing pH by 1 unit. </u>

Solution with higher H⁺ concentration shows pH decreasing by 1 unit.

______________________________________________________

Remember, for <u>any</u> aqueous solution ...

=> Adding H⁺   => always decreases pH

=> Adding OH⁻ => always increases pH

4 0
3 years ago
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Fantom [35]
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julia-pushkina [17]

Answer:

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Explanation:

It was based on theories and discoveries

7 0
2 years ago
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mr_godi [17]
I think the answer is:
B. Chemical Change.
8 0
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