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Which substance has nonpolar covalent bonds?
The proportions of components in a mixture can vary.
behaves more like an ideal gas
a smaller radius
3.0 L of H2(g)
2
Cl2
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
What is the number of electrons shared between the atoms in an I 2 molecule?
The proportions of components in a mixture can vary.
behaves more like an ideal gas
a smaller radius
3.0 L of H2(g)
2
Cl2
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
Which form of energy is associated with the random motion of particles in a gas?
The proportions of components in a mixture can vary.
behaves more like an ideal gas
a smaller radius
3.0 L of H2(g)
2
Cl2
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
Distillation of crude oil from various parts of the world yields different percentages of hydrocarbons. Which statement explains these different percentages?
The proportions of components in a mixture can vary.
behaves more like an ideal gas
a smaller radius
3.0 L of H2(g)
2
Cl2
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
Compared to a potassium atom, a potassium ion has
The proportions of components in a mixture can vary.
behaves more like an ideal gas
a smaller radius
3.0 L of H2(g)
2
Cl2
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
Compared to a sample of helium at STP, the same sample of helium at a higher temperature and a lower pressure
The proportions of components in a mixture can vary.
behaves more like an ideal gas
a smaller radius
3.0 L of H2(g)
2
Cl2
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
At STP, which gaseous sample has the same number of molecules as 3.0 liters of N2(g)?
The proportions of components in a mixture can vary.
behaves more like an ideal gas
a smaller radius
3.0 L of H2(g)
2
Cl2
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
The average kinetic energy of water molecules decreases when
The proportions of components in a mixture can vary.
behaves more like an ideal gas
a smaller radius
3.0 L of H2(g)
2
Cl2
H2O(ℓ) at 337 K changes to H2O(ℓ) at 300. K
thermal
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