What are the characteristics of a substance in the liquid state?
2 answers:
Answer: <span>Made up of particles packed relatively close together, having an indefinite shape but a definite volume
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Start by thinking about how you know a liquid works. For example, think about water. Water you can pour into a cup and it takes the shape of that cup. Pour into a bowl and it takes the shape of the bowl. That means it, unlike a solid, doesn't have a definite shape/has an indefinite shape. You can rule out the first choice.
Also notice that water must have a definite volume. You can't have more water in the cup one second, and less the next second. The volume/space it takes up remains the same. This is unlike a gas, which can spread out or be compressed. That means you can eliminate the last two choices, making B the correct answer.
Chemically speaking, the particles of liquids are close together, but not packed tightly as in a solid (see picture). The electrons and protons make up the atom, but are microscopic. </span><span>
</span>
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Start by thinking about how you know a liquid works. For example, think about water. Water you can pour into a cup and it takes the shape of that cup. Pour into a bowl and it takes the shape of the bowl. That means it, unlike a solid, doesn't have a definite shape/has an indefinite shape. You can rule out the first choice.
Also notice that water must have a definite volume. You can't have more water in the cup one second, and less the next second. The volume/space it takes up remains the same. This is unlike a gas, which can spread out or be compressed. That means you can eliminate the last two choices, making B the correct answer.
Chemically speaking, the particles of liquids are close together, but not packed tightly as in a solid (see picture). The electrons and protons make up the atom, but are microscopic. </span><span>
</span>
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Answer:
Kc = 1.54e - 31 / 2.61e - 24
Explanation:
1 ) ; Kc = 1.54e - 31
2) ; Kc = 2.16e - 24
upon reversing ( 2 ) equation
Kc = 1/2.16e - 24
now adding 1 and reversed equation (2)
we get ,
Kc = 1.54e-31 × 1/2.61e - 24
equilibrium constant of equation (3) is -
Kc = 1.54e - 31 / 2.61e - 24