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Complete and balance the equation: Mg(OH)2 + HCl -> ??

This relies on the knowledge that an acid + base --> salt + water.Once you have realised this - pick out the acid and the base (remember acids have H+ and bases OH-)Now, you know that water will be made -...
SA
Answered by Sophie A. Chemistry tutor
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Describe the difference between ionic, covalent, and metallic bonding.

Ionic bonding describes the electrostatic forces of attraction between a metal and a non-metal ion, which are oppositely charged. For example, with NaCl, Na loses an electron to become Na + and Cl gains this...
JD
Answered by James D. Chemistry tutor
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What are the products of the reaction of zinc with hydrochloric acid?

Zinc chloride and hydrogen
IM
Answered by Isobel M. Chemistry tutor
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What is a catalyst?

A substance that provides a convenient pathway for a reaction to occur requiring less energy than the activation energy of the reaction.
TD
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Describe why NaCl has a high melting point

NaCl is an ionically bonded substance, with a giant ionic lattice structureThe Na+ and Cl- ions are bonded by strong ionic bonds within the lattice, and due to the high strength of these bonds, lots of energ...
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Answered by Krishan B. Chemistry tutor
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