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irina [24]
3 years ago
9

What labatory activity involves a chemical change

Chemistry
1 answer:
mojhsa [17]3 years ago
8 0

Answer:

buring of paper, burning of wood etc are the examples of chemical change

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The amount of force needed to keep a 10 kg box moving at a constant
boyakko [2]

Answer:

ON

Explanation:

Frictional force is a force that opposes the motion of body. It is because of friction that motion can be controlled and even walking is made possible.

Now, on a frictionless surface, there is no opposition to motion. Therefore, to keep the body moving there is no force required.

  • If surface lacks friction, motion will continue perpetually without any hinderance.
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4 years ago
Calculate the oxidation number of “C” in CH3COCH3 please
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The oxidation number of C (carbon) is +4

Explanation:

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If you have 3 moles of FeCl3, how many moles of MgCl2 can be produced? FeCl3 + Mg --> MgCl2 + Fe
oksian1 [2.3K]

Answer: 154.09 g

Explanation:

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The mass of MgCl2 produced is calculated:

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3 years ago
Group 1, period 7 element
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Period 7 element

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