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4 years ago

What is needed for work to be done?

Chemistry

1 answer:

podryga [215]4 years ago

7 0

Answer:

Force should applied on the object and object should move.

Explanation:

Work may be defined as the movement of the object in the direction of the applied external force. Work is a scalar quantity and shows the magnitude only.

The work needs to be done, the force should be applied on the object and the object must show some dipsplacement in the direction of force. The work can be calculated by the product of force and displacement.

Thus, the answer is force should applied on the object and object should move.

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What do tissues combine to form?

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Answer is D organs because cell forms tissues, tissues form organs and organs forms the organ system

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3 years ago

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Write the balanced electrochemical reaction for when zinc reacts with a copper solution. Label what is being oxidized and what i

Fed [463]

The balanced equation would be $Zn + Cu^{2+} ---- > Cu + Zn^{2+}$

<h3>Electrochemical equations</h3>

Zn reacts with Cu solution according to the following equation:

$Zn + Cu^{2+} ---- > Cu + Zn^{2+}$

In the reaction, $Cu^{2+}$ is reduced according to the following: $Cu^{2+} + 2 e^- -- > Cu$

While Zn is oxidized according to the following: $Zn - 2e^- --- > Zn^{2+}$

Thus, giving the overall equation of; $Zn + Cu^{2+} ---- > Cu + Zn^{2+}$

More oxidation-reduction equations can be found here: brainly.com/question/13699873

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2 years ago

What questions, if we were to answer them, would

Margarita [4]

Answer:

When our bodies are dry and wind blows by, we lose some energy to the air molecules. When are bodies are wet, we have a substance on our skin that likes to absorb heat. So when wind blows by, we lose a LOT of energy to the air molecules. When the body loses heat energy, our body temperature drops.

Explanation:

hope it helps

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3 years ago

What is mole-to-mole stoichiometry.

borishaifa [10]

Answer:

https://youtu.be/3zmeVamEsWI

Explanation:

It is defined as the ratio of moles of one substance to the moles of another substance in a balanced equation. ... Mole ratios are the central step in performing stoichiometry because they allow us to convert moles of one substance to moles of another substance.

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3 years ago

25 points!!! please Which types of elements areconsidered neutraland Where are these types of elements found on the periodic tab

posledela

Elements which composed of an equal amount of three components protons, neutrons and electrons are considered neutral elements. example of neutral elements are hydrogen, helium, lithium and beryllium...

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3 years ago