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3 years ago

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory?

Chemistry

2 answers:

Ugo [173]3 years ago

6 0

I’m not for sure but I think it’s A.

Anna007 [38]3 years ago

5 0

Answer:

The correct answer is C.

Explanation:

The kinetic theory of gases postulates that the directions and magnitudes of the velocities of the molecules are randomly distributed.

In this way, the behavior of these molecules can be represented as the collision of two billiard balls, since the velocities and directions of these after the collision are randomly distributed.

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3 years ago

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3 years ago

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In this reaction: Mg (s) + I₂ (s) → MgI₂ (s) If 2.68 moles of Mg react with 3.56 moles of I₂, and 1.76 moles of MgI₂ form, what

melomori [17]

Answer:

$Y=65.7\%$

Explanation:

Hello,

In this case, for the given chemical reaction, we first identify the limiting reactant by noticing that due to the 1:1 mole ratio for magnesium to iodine the reacting moles must the same, nevertheless, there are only 2.68 moles of magnesium versus 3.56 moles of iodine, for that reason, magnesium is the limiting reactant, so the theoretical turns out:

$n_{MgI_2}^{theoretical}=2.68molMg*\frac{1molMgI_2}{1molMg} =2.68molMgI_2$

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2 years ago

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natulia [17]

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3 years ago

What volume does 0.482 mol of gas occupy at a pressure of 719 mmHg at 56 ∘C?

kozerog [31]

Answer:

The volume is 13, 69 L

Explanation:

We use the formula PV=nRT. We convert the temperature in Celsius into Kelvin and the pressure in mmHg into atm.

0°C= 273K---> 56°C= 56 + 273= 329K

760 mmHg----1 atm

719 mmHg----x= (719 mmHgx 1 atm)/760 mmHg= 0,95 atm

PV=nRT ---> V= (nRT)/P

V=( 0,482 molx 0,082 l atm/K mol x 329K)/0,95 atm

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3 years ago