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A sample of a gas is in a sealed, rigid container that maintains a constant volume. Which changes occur between the gas particles when the sample is heated?
Cl2
The proportions of components in a mixture can vary.
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
The frequency of collisions increases, and the force of collisions increases.
2
a smaller radius
energy
Which form of energy is associated with the random motion of particles in a gas?
Cl2
The proportions of components in a mixture can vary.
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
The frequency of collisions increases, and the force of collisions increases.
2
a smaller radius
energy
Which substance has nonpolar covalent bonds?
Cl2
The proportions of components in a mixture can vary.
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
The frequency of collisions increases, and the force of collisions increases.
2
a smaller radius
energy
Compared to a potassium atom, a potassium ion has
Cl2
The proportions of components in a mixture can vary.
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
The frequency of collisions increases, and the force of collisions increases.
2
a smaller radius
energy
What is the number of electrons shared between the atoms in an I 2 molecule?
Cl2
The proportions of components in a mixture can vary.
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
The frequency of collisions increases, and the force of collisions increases.
2
a smaller radius
energy
The joule is a unit of
Cl2
The proportions of components in a mixture can vary.
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
The frequency of collisions increases, and the force of collisions increases.
2
a smaller radius
energy
The average kinetic energy of water molecules decreases when
Cl2
The proportions of components in a mixture can vary.
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
The frequency of collisions increases, and the force of collisions increases.
2
a smaller radius
energy
Distillation of crude oil from various parts of the world yields different percentages of hydrocarbons. Which statement explains these different percentages?
Cl2
The proportions of components in a mixture can vary.
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
The frequency of collisions increases, and the force of collisions increases.
2
a smaller radius
energy
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