Question

Kareem heats a beaker of water to a boil. Then he records that the water temperature decreases from 100°C to 19°C in 525 minutes. What was the change in temperature each minute

Answer 1

Answer:

To solve for the problem, we list first all the given

Step-by-step explanation:

Given:

Initial temperature, T1 = 100 deg Final temperature, T2 = 19 deg C Time, t= 5 2/5 mins or 5.4 mins

Required: Change in temperature per minute

Solution:

Change in temperature per minute = (T1-T2)/t Change in temperature per minute = (100 deg C - 19 degC)/5.4 mins Change in temperature per minute = 15 deg C/

min

ANSWER: 15 deg C per minute