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IB Question bank 3rd Edition

Hi. Can you place the exam bank file for Chemistry SL and HL ? Cant find the link
- danielphilip
- Post #257
- Dec 19, 2016
- Forum: International Baccalaureate
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Chemistry: Post your doubts here!

Hi. I hope the candidate also adds a salt bridge to complete the circuit for the electrical circuit.
- danielphilip
- Post #6,527
- Oct 10, 2013
- Forum: A-Levels
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Chemistry: Post your doubts here!

answer:
- danielphilip
- Post #6,524
- Oct 9, 2013
- Forum: A-Levels
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Chemistry: Post your doubts here!

answer: 1. First determine the moles of water moles HCl= moles NaOH= moles water= 25X0.10/1000=2.5 exp -3 2. Calculate the heat released, Q=mcx change in Tem= (25=25) X4.18 X 2.5=522.5J= 0.5225kJ 3. Calculate enthalpy change= -(heat released)/moles water= -(0.522kJ)/2.5X exp-3 mol= -209kJmol-1
- danielphilip
- Post #6,523
- Oct 9, 2013
- Forum: A-Levels

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