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A hot liquid is carefully poured into a beaker. The graph shows how its temperature changes as it cools towards room temperature. Which process(es) is/are taking place in region X?
(A) boiling and evaporation
(B) condensation only
(C) evaporation only
(D) solidification and evaporation?
(A) boiling and evaporation
(B) condensation only
(C) evaporation only
(D) solidification and evaporation?
Most Upvoted Answer
A hot liquid is carefully poured into a beaker. The graph shows how it...
Process in Region X:
- Evaporation only
Evaporation is the process that is taking place in region X as the hot liquid cools towards room temperature. Evaporation involves the change of a liquid into a gas, typically at a temperature lower than its boiling point. In this case, as the hot liquid is poured into the beaker, it starts to lose heat to the surroundings, causing its temperature to decrease. This decrease in temperature leads to the molecules of the liquid gaining less energy and transitioning into a gaseous state.
During evaporation, the more energetic molecules near the surface of the liquid escape into the air as vapor, carrying away heat energy with them. This results in a cooling effect on the remaining liquid, causing its temperature to drop gradually. This process continues until the liquid reaches equilibrium with the surrounding room temperature.
It is important to note that evaporation is different from boiling, which occurs at the liquid's boiling point and involves the formation of bubbles within the liquid. In region X, the temperature of the liquid is decreasing gradually without reaching its boiling point, indicating that evaporation is the primary process taking place.
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A hot liquid is carefully poured into a beaker. The graph shows how its temperature changes as it cools towards room temperature. Which process(es) is/are taking place in region X?(A) boiling and evaporation (B) condensation only (C) evaporation only (D) solidification and evaporation?
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A hot liquid is carefully poured into a beaker. The graph shows how its temperature changes as it cools towards room temperature. Which process(es) is/are taking place in region X?(A) boiling and evaporation (B) condensation only (C) evaporation only (D) solidification and evaporation? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about A hot liquid is carefully poured into a beaker. The graph shows how its temperature changes as it cools towards room temperature. Which process(es) is/are taking place in region X?(A) boiling and evaporation (B) condensation only (C) evaporation only (D) solidification and evaporation? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A hot liquid is carefully poured into a beaker. The graph shows how its temperature changes as it cools towards room temperature. Which process(es) is/are taking place in region X?(A) boiling and evaporation (B) condensation only (C) evaporation only (D) solidification and evaporation?.
A hot liquid is carefully poured into a beaker. The graph shows how its temperature changes as it cools towards room temperature. Which process(es) is/are taking place in region X?(A) boiling and evaporation (B) condensation only (C) evaporation only (D) solidification and evaporation? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about A hot liquid is carefully poured into a beaker. The graph shows how its temperature changes as it cools towards room temperature. Which process(es) is/are taking place in region X?(A) boiling and evaporation (B) condensation only (C) evaporation only (D) solidification and evaporation? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A hot liquid is carefully poured into a beaker. The graph shows how its temperature changes as it cools towards room temperature. Which process(es) is/are taking place in region X?(A) boiling and evaporation (B) condensation only (C) evaporation only (D) solidification and evaporation?.
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