7 Water at 20 C is poured into a test tube whose bottom is

Last updated: 6/6/2023

7 Water at 20 C is poured into a test tube whose bottom is immersed in a large amount of water at 80 C As a result the water in the test tube is heated to 80 C during a time t Then water at 80 C is poured into the test tube whose bottom is immersed in a large amount of water at 20 C The water in the test tube is cooled to 20 C during a time t What time is longer t or t