Answer:
Reactant : A combustion of hydrocarbon.
Explanation:
It is known that when hydrocarbons are involved in combustion, they produce carbon dioxide and water.
CxHy + (x+y/4)O2 ===> xCO2 + y/2H2O
Answer:
solute is that we disolve in solvent
solvent is in which we dissolve solute
Answer:
it's natural selection
Explanation:
adaptation is when you adapt to some situation
Answer:
A chemical reaction happens when substances break apart or combine to form one or more new substances.
Explanation:
hope its right.
Mass = m = 40 grams
Volume = V = 9 cm³
Density = d = ?
Density is defined as the ratio of mass and volume.
So,
d = m/V
Using the values, we get
d = 40/9 = 4.44 g/cm³
This means the density of material would be 4.44 g/cm³