The sun is mostly Hydrogen with some helium. It also has traces of other elements like various metals.
The correct option would be 3.
Only thermal energy changes
Hope this helps you
Brainliest would be appreciated
-AaronWiseIsBae
Answer:
Explanation:
Unclear question.
I infer you want a clear rendering, which reads;
A 258.4 g sample of ethanol (C2H5OH) was burned in a calorimetric pump using a Dewar glass. As a consequence, the water temperature rose to 4.20 ° C.
If the heat capacity of the water and the surrounding glass was 10.4 kJ / ° C, calculate the heat of combustion of one mole of ethanol.
