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Nastasia [14]
4 years ago
15

Identical heat lamps are arranged to shine on two identical containers, one containing water and one methanol (wood alcohol), so

that each liquid absorbs the same amount of energy minute by minute. The covalent bonds of methanol molecules are nonpolar, so there are no hydrogen bonds among methanol molecules. what will happen to the temperature of the water and the methanol?
Chemistry
1 answer:
melisa1 [442]4 years ago
5 0

Answer:

The temperature of the methanol will increase more rapidly.  

Explanation:

The premise of your question is incorrect. Methanol has an OH group, so there ARE hydrogen bonds among methanol molecules.

However, the specific heat capacity of methanol is 2.53 J°C⁻¹g⁻¹, while that of water is 4.18 J°C⁻¹g⁻¹.

Thus, it takes 65 % more heat energy  to raise the temperature of a given mass of water by 1 °C than it does to raise the temperature of an equal mass of methanol by the same amount.

The two samples are receiving heat energy at the same rate, so the methanol will heat up faster than the water.

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Answer:

2.25×10¯³ mm.

Explanation:

From the question given above, we obtained the following information:

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Next we shall convert 2.25 μm to metre (m). This can be obtained as follow:

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You have to use Dalton's law of partial pressure for this question. Dalton's law of partial pressure basically states that the total pressure of the system is all of the partial pressures of the components added together. Therefore to answer the question you just need to add all the patial pressures together meaning that the total pressure would be 700+500+500=1700.

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