Chemistry, 29.10.2019 21:31 568389

Match the reactants with the products.
aluminum chloride + copper
copper oxide
zinc sulfate + copper
copper sulfate + oxygen
copper + water
copper + oxygen
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copper oxide + hydrogen
copper sulfate + zinc
aluminum + copper chloride

Answers: 2

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Answer from: BABA3724

Copper oxide + Hydrogen → Copper + Water Copper sulfate + Zinc → Zinc sulfate + copper Aluminium + Copper chloride → Aluminium chloride + copper Copper + Oxygen → Copper oxide Explanation:Chemical reactions involves chemical combination of compounds or elements as reactants to form other compounds or elements.In this case, various reactants given will react exhibiting different types of chemical reactions to form products.

First reaction

Aluminium + Copper chloride → Aluminium chloride + Copper

This is a single displacement reaction in which aluminium which is a more reactive element than copper displaces copper from its salt.

Second reaction

Copper oxide + Hydrogen → Copper + water

It is another example of a single replacement reaction. Hydrogen displaces less reactive metals from their oxide to form water and the metal.

Third reaction

Copper sulfate + Zinc → Zinc sulfate + copper

It is another single replacement reaction.Zinc is more reactive than copper and therefore replaces copper from its salt solution.

Fourth reaction

Copper + Oxygen → Copper oxide

It is a synthesis reaction.A synthesis reaction is a reaction in which elements or small compounds combine to form single compound.

Answer from: Quest

answer : one can design an experiment using a liquid and an additive that can be added to the liquid and observe the chemical changes in the reaction species.

one would need a beaker which is filled with a known amount of the liquid in which thermometer is placed to measure the temperature changes; after addition of the additive to the liquid solution one can note down the temperature change and find whether the reaction is endothermic or exothermic in nature. by subtracting the initial temperature value with the final temperature one can find the temperature changes.

various combinations of liquid and additive can be used. liquid in this case can be a known quantity of water and additives can be epsom salt or without epsom salt the experiment can be conducted to notice the changes. water and ice, hydrogen peroxide and dry yeast, vinegar and baking soda,etc.

Answer from: Quest

They are all solids.

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Match the reactants with the products.
aluminum chloride + copper
copper oxide
zin...

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