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zysi [14]
4 years ago
14

Salt is added to a liquid. According to your experiments in the Gizmo, how will the freezing point of the liquid change?

Chemistry
1 answer:
AnnZ [28]4 years ago
8 0
There will be no effect
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Thermodynamic PropertiesProperty Value
igomit [66]

Answer:

1,620 J.

Explanation:

  • The amount of heat added to a substance (Q) can be calculated from the relation:

<em>Q = m.c.ΔT.</em>

where, Q is the amount of heat released from ethanol cooling,

m is the mass of ethanol (m = 60.0 g),

c is the specific heat of ethanol in the liquid phase, since the T is cooled below the boiling point and above the melting point (c = 1.0 J/g °C),

ΔT is the temperature difference (final T - initial T) (ΔT = 43.0 °C – 70.0 °C = - 27.0 °C).

<em>∴ Q = m.c.ΔT</em> = (60.0 g)(1.0 J/g °C)(- 27.0 °C) = - 1620 J.

<em>The system releases 1620 J.</em>

8 0
3 years ago
Some students were building models of solids, liquids, and gases by gluing plastic balls to a sheet of cardboard. which of their
JulsSmile [24]
Below picture contains the given models.

Answer:
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Explanation:
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3 years ago
How many protons are there in a metallic ion which has 18 electrons
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I am pretty sure that electron amounts and proton amounts are the same.
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Scientists claim that climate change is happening because Earth is warming. They also claim that humans have helped cause the wa
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Answer:

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--IF YOU PUSH SOMETHING WITH STRONG FORCE DOES THE MOTION GO SLOWER
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Answer:

i dont think so

Explanation:

is there a image to explain this ? if so it would help ALOT

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2 years ago
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