Answer:
12
Explanation:
alkyne formula is CnH2n-2
heptyne = 7
1 Cal ---------- 4.184 J
? Cal ---------- 130.0 J
130.0 x 1 / 4.184 => 31.07 Cal
hope this helps!
The sun gives off light energy to help plants photosynthesize and make food
C5H10O5 would weight a total of 2.312 kilograms.
