How much heat is needed to melt 10 kg aluminum taken at a melting point of 660 degrees Celsius?
| April 8, 2021 | education
Given:
m = 10 kilograms is the mass of aluminum;
T = 660 degrees Celsius – aluminum temperature;
q = 3.9 * 10 ^ 5 J / kg is the specific heat of aluminum.
It is required to determine the amount of heat Q required to melt aluminum.
Since, according to the condition of the problem, aluminum is already heated to the melting point, then:
Q = q * m = 10 * 3.9 * 10 ^ 5 = 3.9 * 10 ^ 6 Joules.
Answer: to melt aluminum, you need to spend energy equal to 3.9 * 10 ^ 6 Joules.
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.
