Answer:
both are same give different number
3079.23 is what you get when you multiply the answers.
This is a double replacement because both Copper and Sodium reacted with each other compounds , hence "double"
In a mechanical cycle, mechanical energy (mostly the the rotation) is used to get the desired result. The form of energy remains the same.
<span>In a thermodynamic cycle heat is converted to mechanical energy. That is to say there is conversion of energy.</span>
