How much heat is required to heat 3 kg water from 15 degrees to 100?

We apply the formula to calculate the amount of heat for heating: Q = cm (t2-t1)
from water = 4200,
m = 3 kg,
t2 = 100 degrees,
t1 = 15 degrees
Q = 4200 * 3 * (100-15) = 12600 * 85 = 1071000 (J) = 1.071 (MJ)
Answer: Q = 1.071 MJ



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.