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When 250 G of Ba(s)is Added to 100

Question 13

Multiple Choice

When 2.50 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 40.32 °C.If the specific heat of the solution is 4.18 J g-1°C-1 ,calculate
When 2.50 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 40.32 °C.If the specific heat of the solution is 4.18 J g<sup>-1</sup>°C<sup>-1</sup> ,calculate For the reaction,as written. Ba(s) + 2 H<sub>2</sub>O(l) → Ba(OH) <sub>2</sub>(aq) + H<sub>2</sub>(g) = ? A) -431 kJ mol<sup>-1</sup> B) -3.14 kJ mol<sup>-1</sup> C) +3.14 kJ mol<sup>-1</sup> D) +431 kJ mol<sup>-1</sup> For the reaction,as written.
Ba(s) + 2 H2O(l) → Ba(OH) 2(aq) + H2(g)
When 2.50 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 40.32 °C.If the specific heat of the solution is 4.18 J g<sup>-1</sup>°C<sup>-1</sup> ,calculate For the reaction,as written. Ba(s) + 2 H<sub>2</sub>O(l) → Ba(OH) <sub>2</sub>(aq) + H<sub>2</sub>(g) = ? A) -431 kJ mol<sup>-1</sup> B) -3.14 kJ mol<sup>-1</sup> C) +3.14 kJ mol<sup>-1</sup> D) +431 kJ mol<sup>-1</sup> = ?


A) -431 kJ mol-1
B) -3.14 kJ mol-1
C) +3.14 kJ mol-1
D) +431 kJ mol-1

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