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Finger [1]
3 years ago
8

3. Classify each reaction as exothermic or endothermic. (4 marks)

Chemistry
1 answer:
love history [14]3 years ago
6 0

Energy + SO2(g) -----> S(g) + O2(g) is an edothermic reaction owing to te fact that energy is a reactant in the equation.

<h3>What is an endothermic reaction?</h3>

An endothermic reaction is one in  wioch energy is supplied to the system in order to enable the breakdown of bonds. Hence, the reaction vessel feels cool as energy is withdrawn from the surroundings.

The reaction;  Energy + SO2(g) -----> S(g) + O2(g) is an edothermic reaction since energy is a reactant in the equation.

Learn more about endothermic reaction: brainly.com/question/10373907

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Write a balanced chemical equation for the reaction. na2co3 and agno3
ahrayia [7]
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but this equation, not a balanced equation so let's make it a balanced equation:
- we will start with Na number of atoms, we should make the Na atom number is equal on both sides.So we put 2 NaNO3 instead of NaNO3
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So the final balanced equation for this reaction is:
Na2CO3(aq) + 2AgNO3(aq) → 2NaNO3(aq) + Ag2CO3(s)
SO know we have number of Na on each side = 2
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The chemical equation shown here is an example of what type of reaction? 2hclo4 (aq) + mg(oh)2 (s), ↔ mg(clo4)2 (aq) + 2h2o (aq)
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We are given the balanced equation:2hclo4 (aq) + mg(oh)2 (s)  ↔  mg(clo4)2 (aq) + 2h2o (aq)
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Second, this reaction is a neutralization reaction, we can see that an acid and a base is reacted to form a salt and water.
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