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Questions and Answers
What are the initial substances involved in a chemical reaction called?
What are the initial substances involved in a chemical reaction called?
- Products
- Catalysts
- Reactants or reagents (correct)
- Intermediates
What do chemical reactions usually yield?
What do chemical reactions usually yield?
- Reactants with unchanged properties
- Intermediates with different properties
- Only one product with unchanged properties
- One or more products with different properties (correct)
How are chemical reactions usually characterized?
How are chemical reactions usually characterized?
- By a physical change
- By a change in volume only
- By a change in mass only
- By a chemical change (correct)
What is nuclear chemistry concerned with?
What is nuclear chemistry concerned with?
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What do chemical equations symbolically present?
What do chemical equations symbolically present?
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