A Gaseous Mixture Containing 1

question 36

Multiple Choice

A gaseous mixture containing 1.5 mol Ar and 3.5 mol CO₂ has a total pressure of 8.4 atm.What is the partial pressure of CO₂?

• A) 3 atm
• B) 2 atm
• C) 25 atm
• D) 6 atm
• E) 8 atm

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Definitions:

Neurotransmitters

Chemicals released by one neuron (usually the presynaptic neuron), which trigger a response in another neuron (usually the postsynaptic neuron); the chief means of communication among neurons.

Presynaptic Neuron

A neuron that sends a signal toward a synaptic cleft, releasing neurotransmitters to stimulate or inhibit the postsynaptic cell.

Synapse

The junction between two neurons, where neurotransmitters are released to communicate signals across nerve cells.

Inhibition

The process of restraining or suppressing a response, action, or biological process.