You’ll need to be sure to count all the atoms in each side of the chemical equation.
The percentage composition of this compound : 40%Ca, 12%C and 48%O
<h3>Further explanation</h3>
Given
20.0 g of calcium,
6.0 g of carbon,
and 24.0 g of oxygen.
Required
The percentage composition
Solution
Total mass of compound :
=mass calcium + mass carbon + mass oxygen
=20 g + 6 g + 24 g
=50 g
Percentage composition :



Answer:
The atoms are separating, and sublimation is happening.
Explanation:
<span>a. 3.1 calories in heat were released by the burning candy bar sample
b. The energy value of the sample was 3.1 Cal/g
c.The total caloric content of the candy bar is 232.5 Calories, derived by multiplying the total mass of the candy bar by its fuel value per gram</span>