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3 years ago

Substances X and Y are both nonpolar. If the volatility of X is higher than that of Y, what is the best explanation?

Physics

2 answers:

Studentka2010 [4]3 years ago

8 0

The answer is,

D. Y’s molecules experience stronger London dispersion forces than X’s molecules.

lesya692 [45]3 years ago

4 0

I believe the correct answer from the choices listed above is the last option. If the volatility of X is higher than that of Y, then Y’s molecules experience stronger London dispersion forces than X’s molecules. All molecules has london dispersion forces. Also, the stronger the bond, the harder it is to volatilize. Hope this answers the question.

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Inga [223]

The question is incomplete. The mass of the object is 10 gram and travelling at a speed of 2 m/s.

Solution:

It is given that mass of object before explosion is,m = 10 g

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Let $v_1, v_2 \text{ and}\ v_3$ be the velocities of the three fragments.

Therefore, according to the law of conservation of momentum,

$mv=m_1v_1 +m_2v_2+m_3v_3$

$10 \times 2 \hat i=3 \times 12 \hat{j} + 3(v_{2x} \hat{i}+v_{2y} \hat{j})-4 \times 9 \hat{j}$

So the x- component of the velocity of the m2 fragment after the explosion is,

$3v_{2x} = 20$

∴ $v_{2x} = 6.67 \ m/s$

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3 years ago

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2 years ago

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Alekssandra [29.7K]

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3 years ago

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3 years ago

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