Answer:
B
Explanation:
it is the energy stored in the chemical bonds of a substance
Answer:
Stopwatches versus clocks. To improve reliability repeat the experiment multiple times according to an identical procedure. Record these steps so the experiment can be repeated at any time
Explanation:
C. A lipid with three unsaturated fatty acids.
(got the question correct on a test)
Oxygen has to be involved when methanol is ignited
Answer:

Explanation:
2C₄H₁₀ + 13O₂ ⟶ 8CO₂ + 10H₂O
n/mol: 4.3
13 mol of O₂ react with 2 mol of 2C₄H₁₀
