How much heat will be released as a result of crystallization of 6 kg of copper?
| February 1, 2021 | education
To calculate how much heat will be released as a result of crystallization of copper with a mass of m = 6 kg, taken at the crystallization (melting) temperature, we use the formula Q = λ • m, where λ = 0.21 MJ / kg is the specific heat of crystallization (melting) copper. It is taken from reference tables. Let’s substitute the values of physical quantities in the formula and make calculations: Q = 0.21 MJ / kg • 6 kg; Q = 1.26 MJ. Answer: as a result of crystallization of a given mass of copper, taken at the melting temperature, an amount of heat Q = 1.26 MJ will be released.
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.
