The answer option which are products of combustion is: D. Heat and light.
In Chemistry, there are five (5) main types of chemical reaction and these include;
- Double-replacement reaction.
- Single-replacement reaction.
A combustion reaction can be defined as an exothermic chemical reaction between physical substances, usually in the presence of oxygen and hydrocarbons to produce heat, light and carbon.
An example of a combustion reaction is the burning of forest trees and plants.
In conclusion, the products of combustion are heat and light.
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Answer:
16.1 s
Explanation:
The reaction, A → Products, follows first order kinetics.
So,
ln[A] = ln[A]o - kt
Where;
[A] = concentration at time= t
[A]o = initial concentration
k= rate constant
t = time taken
ln(0.205) = ln(0.850) - 0.0882t
ln(0.205) - ln(0.850) = - 0.0882t
-1.5847 - (-0.1625) = - 0.0882t
-1.5847 + 0.1625 = - 0.0882t
-1.4222 = - 0.0882t
t = -1.4222/- 0.0882
t = 16.1 s
Answer: Every action force results in an equal and opposite reaction force.
Explanation: newtons law
B)all solutions are mixtures
