13 (b) Look at the equation for the burning of ethanol. H
H
O
H
O H
C
C
O
H
+
2 C
3 O
H
O
H
+
3 O H
During the reaction, bonds are broken and new bonds are made. (i)
Complete the sentence. Choose words from this list. absorbed destroyed magnified neutralised released When bonds are broken, energy is .............................................................................. [1]
(ii)
Complete the sentence. Choose words from this list. catalytic continuous endothermic exothermic limiting Making new bonds is .................................................................................................... [1] [Total: 4]
Š OCR 2014
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