Answer:
When sunlight enters a raindrop in the air, the light splits into a multitude of colors. This light then reflects off the back of the raindrop and re-emerges in the direction in which the light first entered. The light emerging from many raindrops creates a rainbow.
Explanation:
Answer:
Explanation:
Local unit means a county, city, village, or township.
Answer:
Chemical equilibrium is the state of a reversible reaction where the rate of the forward reaction equals the rate of the reverse reaction.
The volume of the solution is given below which can be calculated using the molarity formula as 2.18 litres.
<h3>Define the molarity of a solution.</h3>
Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as the moles of a solute per litres of a solution.
Given data:
M= 0.420M
mass = 64.0 grams
Molar Mass= 74g/mol
To find:
The volume of solution=?
The calculation for a number of moles:
n= 
n= 
n= 0.91 moles
Molarity= 
V= 
V= 2.1768 litres
Thus, the volume of the solution is 2.18 litres.
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3.6 x 10²³
Explanation:
Given parameters:
Number of cell per body = 60 trillion body cells
Population of the earth = 6 billion
Unknown:
Total number of living human body cells = ?
Solution:
To solve this problem, simply find the product:
Total number of living human body cells = number of cell per body x population of the earth
1 trillion = 1 x 10¹²
60 trillion = 6 x 10¹³
1 billion = 1 x 10⁹
6 billion = 6 x 10⁹
Total number of living human body cells = 6 x 10¹³ x 6 x 10⁹
= 6 x 6 x 10⁽¹³⁺⁹⁾
= 36 x 10²² or 3.6 x 10²³
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