Herbert Washes the Windows of Cars as They Stop at His

question 67

Multiple Choice

Herbert washes the windows of cars as they stop at his intersection.He never knows how many windows he will have to wash before someone gives him a dollar.What reinforcement schedule is he on?

• A)Fixed ratio
• B)Variable ratio
• C)Fixed interval
• D)Variable interval

---

Definitions:

Compounds

Chemical entities that result from the chemical combination of two or more elements, identifiable by their specific chemical structures and properties.

Stretching Frequency

In vibrational spectroscopy, it refers to the frequency at which a bond between atoms oscillates, indicative of the strength and type of the bond.

C-H Bond

A chemical bond between a carbon and hydrogen atom, foundational in organic chemistry and present in all organic molecules.

C-D Bond

A chemical bond between a carbon atom and a deuterium atom, an isotope of hydrogen.