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Nikolay [14]
3 years ago
12

Which diagram shows how the particles of the solid substance will look after it has absorbed enough heat to melt partially ??

Chemistry
1 answer:
cricket20 [7]3 years ago
4 0
It would be A, the molecules should be closely packed together but arranged randomly. :)
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Answer:

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Forces that change an object motion by touching the object are _______ forces
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3 years ago
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3 0
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2. I want to create a density bottle with 3 solutions called A, B and C. I put 45 ml of solution A
Tamiku [17]

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4 0
3 years ago
A sample of gas in a balloon has an initial temperature of 20. ∘C and a volume of 1.92×103 L . If the temperature changes to 68
morpeh [17]

Answer:

\boxed{2.23 \times 10^{3} \text{ L}}

Explanation:

The pressure is constant, so we can use Charles' Law.

\dfrac{ V_{1} }{T_{1}} = \dfrac{ V_{2} }{T_{2}}

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V₁ = 1.92 × 10³ L; T₁ = 20 °C  

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Calculations:

(a) Convert temperatures to kelvins

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T₂ = (68 + 273.15) K = 341.15 K

(b) Calculate the volume

\dfrac{ 1.92 \times 10^{3}}{293.15} = \dfrac{ V_{2}}{341.15}\\\\6.550 = \dfrac{ V_{2}}{341.15}\\\\V_{2} = 6.550 \times 341.15 = 2.23 \times 10^{3} \text{ L}

The new volume of the gas is \boxed{2.23 \times 10^{3} \text{ L}}.

6 0
3 years ago
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