Answer:
A
Explanation:
Well, the human skeletal system produce red blood cells into and for the body.
A collision hypothesis that claims a chemical reaction can only happen when reactants collide at the right angle and with enough kinetic energy.
<h3>What in chemistry is a reactant?</h3>
A material that's also present at the outset of such a chemical reaction is known as a reactant. Products are the substrate(s) to the side of the arrow. A component that remains after a chemical reaction is finished is known as a product.
<h3>Which side are the products and reactants?</h3>
The chemicals (what you started with) be transformed into byproducts in a chemical process (what you end with). An arrow separates the reaction mixture, which are indicated on the left side of a solution, from the products, who are depicted on the right.
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Answer:
We need to add 900 mL of water.
Explanation:
To know the amount of water to add first we need to calculate the concentration of KOH when the pH is 12 and when is 11:
When pH = 12 (initial):
When pH = 11 (final):
Now, by using the following equation we can find the volume of the solution to achieve a pH = 11:
Finally, to bring 100 mL of the initial solution to 1000 mL we need to add the following amount of water:
Therefore, we need to add 900 mL of water.
I hope it helps you!