When the Temperature of a Gas Whose Activation Energy Is

question 159

Multiple Choice

When the temperature of a gas whose activation energy is 55 kJ/mol is increased from 300 K to 320 K,the fraction of collisions with sufficient energy to react

• A)decreases by a factor of 2.
• B)decreases by a factor of 4.
• C)increases by a factor of 2.
• D)increases by a factor of 4.

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Definitions:

Integration

Summing up of excitatory and inhibitory signals by a neuron or by some part of the brain.

Ciliary Muscle

Within the ciliary body of the vertebrate eye, the ciliary muscle controls the shape of the lens.

Iris

Muscular ring that surrounds the pupil and regulates the passage of light through this opening.

Pupil

Opening in the center of the iris of the vertebrate eye.