Your answer would be surface runoff
SiO2 is the chemical formula silicon and oxygen
Answer: 
Explanation: \frac{2}{34}\cdot \:100\%\:=\frac{1}{17}
I tried my best, I hope this helps!
Bonding electrons are involved in chemical bonding these electrons have their valnce shell incomplete
The answer is: (5696 J) / (155 g) / (40.0 - 25.0)°C = 2.45 J/g·°C