1. (C.) -Si- is silicone which at room temp is a solid and it's a hard crystalline Brittle rock basically...
2. And it will Be D. NOT C... i can't stand user's who throw out answers for free points....
Answer:large
Explanation:
As the temperature increases, materials with large coefficients of linear expansion increases a lot in size
Answer:
0.146 m/s
Explanation:
We can see it in the pic.
Answer:1200
Explanation:
Given data
Upper Temprature
Lower Temprature 
Engine power ouput
Efficiency of carnot cycle is given by





rounding off to two significant figures
