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Which process can be used to separate a mixture of two liquids having different boiling points?
heat of reaction
nitrogen
a different pathway with a lower activation energy
endothermic, physical change
number of atoms
Hydrogen has weak intermolecular forces.
distillation
A bond forms and energy is released.
Which statement explains the low boiling point of hydrogen, H2, at standard pressure?
heat of reaction
nitrogen
a different pathway with a lower activation energy
endothermic, physical change
number of atoms
Hydrogen has weak intermolecular forces.
distillation
A bond forms and energy is released.
In chemical reactions, which term is defined as the difference between the potential energy of the products and the potential energy of the reactants?
heat of reaction
nitrogen
a different pathway with a lower activation energy
endothermic, physical change
number of atoms
Hydrogen has weak intermolecular forces.
distillation
A bond forms and energy is released.
Which phrase describes what happens to the reaction pathway and activation energy of a reaction to which a catalyst is added?
heat of reaction
nitrogen
a different pathway with a lower activation energy
endothermic, physical change
number of atoms
Hydrogen has weak intermolecular forces.
distillation
A bond forms and energy is released.
An atom of which element is bonded to the carbon atom in the amide functional group?
heat of reaction
nitrogen
a different pathway with a lower activation energy
endothermic, physical change
number of atoms
Hydrogen has weak intermolecular forces.
distillation
A bond forms and energy is released.
The melting of an ice cube is an example of an
heat of reaction
nitrogen
a different pathway with a lower activation energy
endothermic, physical change
number of atoms
Hydrogen has weak intermolecular forces.
distillation
A bond forms and energy is released.
At STP, which property would be the same for 1.0 liter of helium and 1.0 liter of argon?
heat of reaction
nitrogen
a different pathway with a lower activation energy
endothermic, physical change
number of atoms
Hydrogen has weak intermolecular forces.
distillation
A bond forms and energy is released.
Which statement describes what occurs when two iodine atoms react to produce an iodine molecule?
heat of reaction
nitrogen
a different pathway with a lower activation energy
endothermic, physical change
number of atoms
Hydrogen has weak intermolecular forces.
distillation
A bond forms and energy is released.
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