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trasher [3.6K]
3 years ago
10

Which statement describes KCl(aq)?​

Chemistry
1 answer:
Orlov [11]3 years ago
8 0
KCI(aq) is a solvent in a homogeneous mixture.
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The heat of vaporization for water is 40. 7 kJ/mol. How much heat energy must 150. 0 g of water absorb to boil away completely?
netineya [11]

The heat absorbed by the water sample for vaporization has been 6,105 kJ. Thus, option D is correct.

The heat of vaporization has been the amount of heat required to vaporize 1 gram of liquid.

The heat required for the vaporization has been given as:

Q=m\Delta H_{vap}

<h3 /><h3>Computation for the Heat of vaporization</h3>

The heat of vaporization of water has been given as, \Delta H_{vap}=40.7\;\rm kJ/mol

The mass of water sample has been, m=150\;\rm g

Substituting the values for the heat energy absorbed, <em>Q:</em>

<em />

<em />Q=150\;\times\;40.7\;\rm kJ\\&#10;\textit Q=6,105\;kJ

The heat absorbed by the water sample for vaporization has been 6,105 kJ. Thus, option D is correct.

Learn more about heat of vaporization, here:

brainly.com/question/2427061

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How many atoms of aluminum are produced from 239.0 grams of iron? Give your answer in Scientific Notation.
Furkat [3]

Answer:

I dont know

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4 0
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What is the difference between a heterogeneous mixture and homogeneous mixture?
Fiesta28 [93]
A homogeneous mixture has the same uniform appearance and composition throughout


A heterogeneous mixture consists of visibly different substances or phases.
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Which of the statements below are TRUE, knowing what we know about forces and motion?
timurjin [86]

Answer:

b

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if there is a net force acting on an object, the object will have an acceleration and the objects velocity will change

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How many hydrogen bonds can CH3NH2 make to water?
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CH3NH2 can only have as many hydrogen bonds as hydrogen bonding sites in the molecule. CH3NH2 has two N−H bonds and a lone pair of electrons on the nitrogen atom. Therefore, CH3NH2 can form three hydrogen bonds with water.

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