Photosynthesis by plants.
Answer:
2 chlorine atoms.
Explanation:
H₂ + Cl₂ → 2HCl
The Law of Conservation of Mass states that matter can neither be created nor destroyed in a chemical reaction.
If 2 molecules of Hydrogen and 2 molecules of Chlorine is present in the reactants, the same no. of atoms should also be present in the product.
∴ the no. of chlorine atoms in the product is 2.
Answer:
We have the final answer as
<h2>1.33 g/cm³</h2>
Explanation:
The density of a substance can be found by using the formula
<h3>

</h3>
From the question
mass = 35 g
volume = 26.4 cm³
The density of the wood is

We have the final answer as
<h3>1.33 g/cm³</h3>
Hope this helps you
The particals in a physical change alwayd stay the same, but for a chemical change that is the only time they will change. Not during a physical change