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babunello [35]
3 years ago
10

Give one safety precaution should take during carbon and lead oxide experiment​

Chemistry
2 answers:
Tcecarenko [31]3 years ago
8 0
Answer : Use safety goggles and gloves. Remember not to touch you face

Explanation:
Bingel [31]3 years ago
3 0

Answer:

use safety goggles

Explanation:

plz give me brainleist

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What is a way of transforming energy by exerting a force over distance?
xz_007 [3.2K]

Answer:

a. Work

Explanation:

If you apply a force over a given distance - you have done work. Work = Change in Energy. If an object's kinetic energy or gravitational potential energy changes, then work is done. The force can act in the same direction of motion.

8 0
3 years ago
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I need help with the first question
gregori [183]
Zn⁰ ----> Zn⁺²   +   2e⁻ -  oxidation
Hg⁺² + 2e⁻ ----> Hg⁰ - reduction

Zn loses 2 moles of electrons , and Hg gains 2 mole of electrons.
So, number of moles of electrons gained and lost during reaction is equal.

7 0
3 years ago
At what point does salt melt
fredd [130]
Salt melts at 116°c.
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3 years ago
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Of the colors on the visible light spectrum, which one has the longest wavelength, lowest frequency, and lowest energy?
Elenna [48]

Answer:

Red

Explanation:

Violet - shortest wavelength, around 400-420 nanometers with highest frequency. They carry the most energy.

Indigo - 420 - 440 nm

Blue - 440 - 490 nm

Green - 490 - 570 nm

Yellow - 570 - 585 nm

Orange - 585 - 620 nm

Red - longest wavelength, at around 620 - 780 nanometers with lowest frequency and least amount of energy

Therefore, <em>red </em>is the answer you're looking for.

I hope this helps and that you have a great day! :)

5 0
2 years ago
What three factors affect the pressure of a gas in a closed container?
maks197457 [2]
Number of moles of the gas, Temperature and the volume of the gas.
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3 years ago
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