A mixture of nitrogen and oxygen in a 1:3 ratio has a volume of 4.00 L. What is the volume of the nitrogen trioxide when the nitrogen and
oxygen react according to the equation while keeping pressure and temperature constant?

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

They can measure  the amount of energy gained or lost

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