3 years ago

11. Which of the following hydrocarbons would you expect to have the highest boiling point?

Chemistry

1 answer:

vaieri [72.5K]3 years ago

4 0

Ethane should be the answer!

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If a solution containing A+ ions and a solution containing B- ions have just been mixed and [A+][B-] is greater than Ksp of AB,

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Explanation:

In the solution of AB , they are split to give ions as follows

AB ⇄ A⁺ + B⁻

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3 years ago

Please I need the answer asap

Nadusha1986 [10]

The energy needed to raise the temperature of water from 22.0ºC to 90.0ºC is c. 28.4 kJ.

<h3>What is specific heat?</h3>

The amount of energy needed to raise the temperature of one gram of a substance by one degree Celsius.

By the formula $Q = mc\Delta T$

Q is the heat

m is the mass

c is the specific heat

Now, c = 4.184 J/g.K

The change in temperature is 22.0 ºC to 90.0 ºC

Putting the value in the equation

$Q = 100 \times 4.184 \times (90.0 - 22.0)\\\\Q = 4.184 \times 68.0\\ \\Q= 284.5 \;J$

Thus, the energy needed to raise the temperature of water from 22.0ºC to 90.0ºC is 28.4 kJ

Learn more about specific heat

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2 years ago