Ask a New Question
Search
Questions and answers by
eyra
Answers (1)
Q=mxcx(temperature final-temperature initial) , next subtitute values; Q=500gx4.18J/g*Cx(100-20)*C, then cross out g with g and *C with *C . Multiply 500x4.18J ,and subtract 100-20 like this q=500x4.18Jx80=2090x80=167200J . Round to the significant figure
