Answer:
A
Explanation:
Because it does not change entirely.
Answer:
Water vapor to dew
Explanation:
Water vapor turns from a gas into a liquid, such as dew on the morning grass.
Answer:
0.783 kg
Explanation:
You must make the conversions:
atoms of Pb ⟶ moles of Pb ⟶ grams of Pb ⟶ moles of Pb


The given reaction is C₅H₉O + O₂ → CO₂ + H₂O
On balancing the equation we get:
20 C₅H₉O + 90 O₂ → 100 CO₂ + 9 H₂O
This is a single replacement type of reaction. A single replacement reaction, also called a single-displacement reaction, refers to a kind of chemical reaction where an element reacts with a compound and occupies the place of another element in that compound.