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sergiy2304 [10]
3 years ago
13

Base your answers on the graph below, which represents uniform cooling of a sample of a pure substance, starting as a gas. Solid

and liquid phases can exist in equilibrium between points

Chemistry
1 answer:
Karolina [17]3 years ago
7 0

Answer:

D & E

Explanation:

I think this is dealing with latent heat and D & E would be the range where you will find solid and liquid phases in equilibrium, cuz it starts as gas at from A to B, B to C is gas and liquid equilibrium, C to D is liquid, D to E solid and liquid, and then E to F is solid.

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In a data set, the number that appears the most is called the ( ).
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Answer:

Mode

Explanation:

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4 0
4 years ago
(1.7m - 2) + (2m – 4)
Pavel [41]

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6 0
3 years ago
4. The blood vessels, heart and the blood make up
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Answer:

D, the cardiovascular system

Explanation:

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8 0
3 years ago
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Who discovered copper and in what year?
Vesnalui [34]
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A 996.9 g sample of ethanol undergoes a temperature change of -70.98 °C while releasing 62.9
Volgvan

Answer:

c=3.71\ J/g^{\circ} C

Explanation:

Given that,

Mass of sample, m = 996.9 g

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The heat released by a sample due to change in temperature is given by :

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So,

c=\dfrac{Q}{m\Delta T}\\\\c=\dfrac{263173.6}{996.9\times 70.98}\\\\c=3.71\ J/g^{\circ} C

So, the specific heat of ethanol is equal to 3.71\ J/g^{\circ} C.

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