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Chemistry
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What is the acid dissociation constant, Ka of the 0.150 mol dm–3 solution of weak acid HA with pH of 2.34?

First, It would be useful to write the equation for the dissociation of the weak acid HA, which is HA <--> H++ A-. Then, write the Ka expression of the weak acid HA, which is [...

VS
Answered by Venus S. Chemistry tutor
8396 Views

Explain in terms of structure why giant ionic lattices have high melting and boiling points. [4]

Giant ionic lattices are regular structures, held together by ionic bonds. These ionic bonds are strong electrostatic forces of attraction between oppositely charged ions, acting in all directions. Energy...

RN
Answered by Ruth N. Chemistry tutor
18981 Views

Can you explain Le Chatelier's Principle?

Le Chatelier's principle: If the external condition is changed, the equilibrium will shift to oppose this change. What are these external conditions that can be changed? Temperature, pressure and concentr...

DN
1840 Views

What processes occur throughout the limestone cycle? (3 marks)

The naturally occurring compound in limestone is calcium carbonate (CaCO3). When heated, the CaCO3 thermally decomposes (is broken down by the heat in an endothermic process) to prod...

MS
7550 Views

Draw and label a tetrahedral shape

4 bondsangles are 109.5 degrees

MY
1979 Views

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