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choli [55]
3 years ago
14

To have a system you need more than one magnet . true or false

Chemistry
2 answers:
juin [17]3 years ago
8 0

Answer:

True

Explanation:

Murljashka [212]3 years ago
7 0

Answer: true

Explanation:

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1.A 2.C 3.B

4. d

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Which sample has more atoms in it? 150.0 g of gold or 10.0 g of lithium.
Deffense [45]

Answer:150g of gold

Explanation: There is a lot more gold and gold is significantly significantly more dense than lithium

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Which of these is NOT a reason that scientists do experiments?
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Consider the process in which HClO3 is converted to HClO2. The oxidation state of oxygen remains −2, and the oxidation state of
mixas84 [53]

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Option 1, Cl is reduced and gains electrons

Explanation:

HClO₃  → HClO₂

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In HClO₂,, chlorine acts with +3 in the oxidation state.

The state has been reducted, so the Cl has been reduced. As it was reduced, it means that has won e⁻, in this case 2

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3 years ago
1)Define potential Energy.
Margarita [4]

1. Potential Energy is stored energy a object has when it's not moving.

2. Potential Energy is it's highest on the first stage because as you see the roller coaster is bout to go down the tract which is going to higher the kinetic energy and lower the potential energy.

3. Kinetic Energy is the amount of energy a object has when it's in motion or moving.

4. Kinetic Energy is it's highest in the third stage after it's gone down the tract and potential energy fully decreased and it's at zero.

Remember that potential energy is stored energy so when a object is not moving in this case the roller coaster isn't moving on the first stage when its bout to go down the roller coaster. Kinetic energy is the amount of energy a object has when it's in motion so in this case the third stage would have the highest example of Kinetic energy because it's fully in motion and has no potential energy.

4 0
3 years ago
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