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1 answer:
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11250J
Explanation:
Given parameters:
Mass of the person = 100kg
Velocity = 15m/s
Unknown:
Kinetic energy = ?
Solution:
The kinetic energy of a body is energy due to the motion of the body.
Kinetic energy = m v²
m is the mass of the body
v is the velocity
Substituting the parameters:
K. E = x 100 x 15² = 11250J
Learn more:
Kinetic energy brainly.com/question/6536722
#learnwithBrainly
Answer:
2KI + Cl₂ → 2KCl + I₂
Explanation:
The reaction equation is given as:
KI + Cl₂ → KCl + I₂
The problem at hand is to balance this chemical reaction. To solve this problem we use a mathematical approach;
aKI + bCl₂ → cKCl + dI₂
Conserving K : a = c
I : a = 2d
Cl : 2b = c
Now let a = 1, c = 1 , d = , b =
, ;
Multiply through by 2;
a = 2, b = 1 , c = 2, d = 1
2KI + Cl₂ → 2KCl + I₂