Concentrated sulfuric acid is used to promote acid catalyzed dehydration because it has little water.This favor the forward reaction.sulfuric acid acts as as proton source to enable loss of leaving group in forward reaction and electrophile addition in reverse reaction.
Answer:
1.25 hours or 75 minutes or 1 hour and 15 minutes
Explanation:
Answer:
Thermometer A, because it measures accurately to the tenths digit.
<span><span>Mn<span>O<span>2<span>(s)</span></span></span>+<span>H<span>2<span>(g)</span></span></span>→Mn<span>O<span>(s)</span></span>+<span>H2</span><span>O<span>(g)</span></span></span></span>
<span>From the above given choices :
melting is an endothermic process</span>
