What Is Absolute Visual Magnitude

question 24

Multiple Choice

What is absolute visual magnitude?

• A)the luminosity of a star observed from Earth
• B)the luminosity of a star observed from a distance of 1000 parsecs
• C)the apparent magnitude of a star observed from a distance of 10 parsecs
• D)the apparent magnitude of a star observed from Earth

Learn the definitions of oxidation and reduction in terms of electron transfer.

Identify changes in oxidation states in chemical reactions.

Distinguish between exothermic and endothermic reactions.

Understand the concept of activation energy and its role in chemical reactions.