When CaO is added to water taken in a beaker, rise in temperature is observed. However, when Ba(OH)2 is mixed with NH4Cl, a fall in temperature is observed. Why?
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Answer:
it depends on nature of reactants
Explanation:
cao and water is exothermic whereas baoh2 and nh4cl is endothermic
Roger29:
But y it falls down in temp
because heat is given out
its endothermic
ok
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