Answer:
2Cu2S + 3O2 + 2C -------> 4Cu + 2SO2 + 2CO
Explanation:
Equation 1 should correctly be written as;
2Cu2S + 3O2-----> 2Cu2O + 2SO2
Equation 2 should be correctly written as;
2Cu2O + 2C -----> 4Cu + 2CO
The overall reaction equation is;
2Cu2S + 3O2 + 2C -------> 4Cu + 2SO2 + 2CO
Note that species that are intermediates are cancelled out .
Food that contains nuts should be prepared last
The measure of the quantity of heat exchanged.
Uses many different units of measurements.
Answer:
Hi there!
The correct answer to this question is: electrons enter orbitals of lowest energy first.
Visible and infrared light do not cause sunburn and they are not known to directly be a skin cancer risk.