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Two substances A and B have boiling points of 18°C and 54°C respectively. In what states do A and B exist at room temperature |
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Answer» ong>Answer: Vapour pressure correlates with boiling point INVERSELY. In this case LIQUID A has a lower boiling point and thus will have higher vapour pressure. Since liquid A has a lower boiling point you can assume that its inter-molecular forces are WEAKER. THEREFORE, it is much more likely to become a vapour at lower temperatures and more vapour means more pressure. Explanation: hope it helps you ☺️ |
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