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Chemistry
Chemistry
Problem
Suggest whether the following reactions are exothermic or endothermic: a. a
C(s)
+
O
2
(g)
→
CO
2
(g)
\text{C(s)} + \text{O}_2\text{(g)} \rightarrow \text{CO}_2\text{(g)}
C(s)
+
O
2
(g)
→
CO
2
(g)
b. b
H
2
O(l)
→
H
2
O(g)
\text{H}_2\text{O(l)} \rightarrow \text{H}_2\text{O(g)}
H
2
O(l)
→
H
2
O(g)
c. c
HCl(aq)
+
NaOH(aq)
→
NaCl(aq)
+
H
2
O(l)
\text{HCl(aq)} + \text{NaOH(aq)} \rightarrow \text{NaCl(aq)} + \text{H}_2\text{O(l)}
HCl(aq)
+
NaOH(aq)
→
NaCl(aq)
+
H
2
O(l)
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