Which of the Following Processes Is/are Exothermic?
1)the Reaction of Butane

question 72

Multiple Choice

Which of the following processes is/are exothermic?
1) the reaction of butane with oxygen
2) the melting of gold
3) cooling copper from 225 ^$\circ$ C to 65 ^$\circ$ C

• A) 1 only
• B) 2 only
• C) 3 only
• D) 1 and 3
• E) 1,2,and 3

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