If P(A) = 0 $\cap$ B) = 057; Then P(A $\cup$ B) =
A)1

question 27

Multiple Choice

If P(A) = 0.38, P(B) = 0.83, and P(A $\cap$ B) = 0.57; then P(A $\cup$ B) =

• A)1.21
• B)0.64
• C)0.78
• D)1.78

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Definitions:

Reversible Reactions

Chemical reactions that can proceed in both the forward and backward directions under certain conditions, achieving a state of equilibrium.

Exchange Reaction

A chemical reaction where parts of two reacting molecules are interchanged to produce new products.

Synthesis Reaction

A process where multiple substances merge to create a compound that is more complex.

Decomposition Reaction

A chemical process where a lone compound decomposes into multiple, less complex materials.