When 550 G of Ba(s)is Added to 100

question 123

Multiple Choice

When 5.50 g of Ba(s) is added to 100.00 g of water in a container open to the atmosphere,the reaction shown below occurs and the temperature of the resulting solution rises from 22.00°C to 61.16°C.If the specific heat of the solution is 4.18 J/(g ∙ °C) ,calculate for the reaction,as written. Ba(s) + 2 H₂O(l) → Ba(OH) ₂(aq) + H₂(g) = ?

• A) -431 kJ
• B) -3.14 kJ
• C) +3.14 kJ
• D) +431 kJ

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