3 years ago

5.

1 answer:

8 0

I think b because it talks more about the question

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Lynna [10]

I believe that it is petroleum ether.

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3 years ago

Monica [59]

Explanation:

$H _{2}O _{2(aq)} →H _{2}O _{(l)} + O _{2}(g) \\ solution : 2 \: and\: 2$

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3 years ago

Allushta [10]

Answer:

I would use calorimetric to determine the specific heat and I would measure the mass of a sample

Explanation:

I would use calorimetry to determine the specific heat.

I would measure the mass of a sample of the substance.

I would heat the substance to a known temperature.

I would place the heated substance into a coffee-cup calorimeter containing a known mass of water with a known initial temperature.

I would wait for the temperature to equilibrate, then calculate temperature change.

I would use the temperature change of water to determine the amount of energy absorbed.

I would use the amount of energy lost by substance, mass, and temperature change to calculate specific heat.

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3 years ago

Rina8888 [55]

The answer is b it is a combustion reaction

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3 years ago

lara [203]

There both in our solar system

3 0

3 years ago