A hot piece of cooper is dropped into a beaker containing colder water. Which of

Question

A hot piece of cooper is dropped into a beaker containing colder water. Which of the following statements is/are CORRECT? 1. Energy is transferred as heat from the water to copper 2. Thermal energy from the copper increases the motion of water molecules 3. Thermal equilibrium is attained when the copper and the water reach the same temperature a. 1 only b. 2 only c. 3 only d. 1 and 2 e. 1, 2, and 3 Which of the following statements is/are CORRECT? 1. Energy is the capacity to do work 2. Energy is neither created nor destroyed in chemical reaction 3. Exothermic process transfer heat from the system into the surroundings a. 1 only b. 2 only c. 3 only d. 1 and 3 e. 1, 2, and 3

Explanation / Answer

PART A

IB

Correct answer is 3. Thermal equilibrium is attained when the copper and the water reach the same

Option C) 3 only.

Because when metal transfers heat to water until both comes the same temperature.

Question 2B

Correct answer is E) 1,2 and 3

All answers are correct. what said in the points.

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