Unformatted text preview: temperature increases the rate of a chemical reaction. 22. A catalyst decreases the amount of activation energy that is needed to generate a reaction. 26. Biological catalysts are known as enzymes. 38. (a) Entropy decreases in this reaction because the disorder in this system decreases. (b) Entropy increases in this combustion reaction because the disorder in this system increases. 40. (a) C 6 H 12 O 6 = 180 g (b) H 2 SO 4 = 98 g (c) Na 2 HPO 4 = 142 g (d) Ca (NO 3 ) 2 = 164 g The Periodic Table: Hydrogen...
View Full Document
- Spring '08
- Chemistry, activation energy hill