When 2.60 g of Ba(s) is added to 100.00 g of water in a container open to the atmosphere, the reaction shown below occurs. The total mass of the resulting solution is 102.6g. The temperature of the resulting solution rises from 22.00°C to 40.32°C. If the specific heat of the reaction solution is 4.18 J/(g °C), calculate AHxn for the reaction, as written. Ba(s) + 2 H20(1) –→ Ba(OH)2(aq) + H2lg) +431 kJ/mol Ba -7.85 kJ/Ba -3.02 kJ/mol Ba -415 kJ/mol Ba -431 kJ/mol Ba

When 2.60 g of Ba(s) is added to 100.00 g of water in a container open to the atmosphere, the reaction shown below occurs. The total mass of the resulting solution is 102.6g. The temperature of the resulting solution rises from 22.00°C to 40.32°C. If the specific heat of the reaction solution is 4.18 J/(g °C), calculate AHxn for the reaction, as written. Ba(s) + 2 H20(1) –→ Ba(OH)2(aq) + H2lg) +431 kJ/mol Ba -7.85 kJ/Ba -3.02 kJ/mol Ba -415 kJ/mol Ba -431 kJ/mol Ba

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.50PAE: 9.50 When a 13.0-g sample of NaOH(s) dissolves in 400.0 mL of water in a coffee cup calorimeter, the...

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