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Recent content by Himani

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Physics: Post your doubts here!

State (i) what is meant by the electric potential at a point, (ii) the relationship between electric potential at a point and electric field strength at the point. (b) Two similar solid metal spheres A and B, each of radius R, are situated in a vacuum such that the separation of their centres...
- Himani
- Post #18,179
- Oct 17, 2019
- Forum: A-Levels
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Chemistry Hess’ Law question

The ionic equation for this reaction is shown. Ca(s) + 2H+(aq) → Ca2+(aq) + H2(g) ∆Ho = x kJmol–1 Construct a fully labelled Hess’ Law cycle to connect each side of this equation to the relevant gas phase ions. Use your cycle, the following data, and data from the Data Booklet, to calculate a...
- Himani
- Post #3
- Oct 16, 2019
- Forum: A-Levels
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Chemistry Hess’ Law question

Connect each side of the equation to the relevant gas phase ions
- Himani
- Thread
- Oct 16, 2019
- Replies: 2
- Forum: A-Levels

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