Answer:

Explanation:
From the question we are told that:
Charge 
Velocity 
Angle 
Magnetic field 
Generally the equation for Force is mathematically given by


Therefore


pH is the measure of the concentration of hydrogen ions in a solution
Answer:
The reagents correspond to substances that react with others, generating a chemical reaction.
Explanation:
Example:
H2 + 02 -> H202
Hydrogen reacts with oxygen in a synthesis reaction, forming a new compound (hydrogen peroxide) called a product.
The cyclist who travels 20 kilometers per hour for 15 kilometers