question archive 1) Explain why melting ice is considered an endothermic reaction
1) Explain why melting ice is considered an endothermic reaction
Subject:BiologyPrice: Bought3
1) Explain why melting ice is considered an endothermic reaction. 2. In what sense are oxidation and reduction reactions opposites? 3. When is an electon a valence electron? Why are valence electrons important in chemical reactions? 4. What is an alloy? 5. What is polymerization? Give an example.
