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Masja [62]
3 years ago
15

Unlike an element, a(n) ________ may be separated through a physical process like filtration.

Chemistry
1 answer:
Amiraneli [1.4K]3 years ago
8 0
The answer is mixture, hope this helps!
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Answer:

True

Explanation:

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A sample of Neon is in a sealed container held under isothermic conditions. The initial pressure and volume are 2.7 atm and 4.5
Marina CMI [18]

Answer:

The final volume in mL is 7.14 mL or 7.1 mL.

Explanation:

1.Use Boyle's Law(P_{1} V_{1}= P_{2} V_{2}). Re-arrange to solve for V_{2}<em> for the final volume.</em>

<em />

<em>2. Plug in values. </em>V_{2} =\frac{(2.7 atm)(4.5 mL)}{(1.7 atm)}  = 7.14 mL

3 0
2 years ago
(c) He, Na, Mg (increasing order of melting point).​
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Answer:

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4 0
3 years ago
Which of the following changes will always be true for a spontaneous reaction? (3 points)
Alika [10]
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</span>ΔH<span> is the change in enthalpy.
</span>ΔS is change in entropy.
T is temperature of the system.
When ΔG is negative, a reaction (<span>occurs without the addition of external energy)</span><span> will be spontaneous (</span>exergonic).

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