Concept explainers
(a)
Interpretation: The effect on temperature on the stretching of rubber band is to be stated and whether the stretching is an exothermic or endothermic process is to be explained in terms of intermolecular forces. Also, the sign of
Concept introduction: Rubber is a
To determine: The effect on temperature on the stretching of rubber band.
(b)
Interpretation: The effect on temperature on the stretching of rubber band is to be stated and whether the stretching is an exothermic or endothermic process is to be explained in terms of intermolecular forces. Also, the sign of
Concept introduction: Rubber is a polymer (long chain molecules) made from organic compound isoprene. The molecules in rubber are arranged in a tangled up position than an aligned position and due to thermal motion they lose their alignment and go back to their tangled state and this is called an elastic contact caused by an entropic force.
To determine: The stretching is an exothermic or endothermic process.
(c)
Interpretation: The effect on temperature on the stretching of rubber band is to be stated and whether the stretching is an exothermic or endothermic process is to be explained in terms of intermolecular forces. Also, the sign of
Concept introduction: Rubber is a polymer (long chain molecules) made from organic compound isoprene. The molecules in rubber are arranged in a tangled up position than an aligned position and due to thermal motion they lose their alignment and go back to their tangled state and this is called an elastic contact caused by an entropic force.
To determine: The above results in terms of intermolecular forces.
(d)
Interpretation: The effect on temperature on the stretching of rubber band is to be stated and whether the stretching is an exothermic or endothermic process is to be explained in terms of intermolecular forces. Also, the sign of
Concept introduction: Rubber is a polymer (long chain molecules) made from organic compound isoprene. The molecules in rubber are arranged in a tangled up position than an aligned position and due to thermal motion they lose their alignment and go back to their tangled state and this is called an elastic contact caused by an entropic force.
To determine: The sign of
(e)
Interpretation: The effect on temperature on the stretching of rubber band is to be stated and whether the stretching is an exothermic or endothermic process is to be explained in terms of intermolecular forces. Also, the sign of
Concept introduction: Rubber is a polymer (long chain molecules) made from organic compound isoprene. The molecules in rubber are arranged in a tangled up position than an aligned position and due to thermal motion they lose their alignment and go back to their tangled state and this is called an elastic contact caused by an entropic force.
To determine: The molecular explanation for the sign of
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