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laila [671]
2 years ago
15

Which of the following is one way to prevent air pollution ill give brainiest if you don't copy the answers from the first perso

n and ill give the first person who answers correctly
A. using hair spray that comes in aerosol spray cans
B. using an air conditioner when it is hot out side
C.building factories with devises that trap pollutant
D. removing all trees that are near industrial areas
Chemistry
1 answer:
nata0808 [166]2 years ago
8 0
C is the answer i believe
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Traveling at the speed of light - how long would it take, in years, to reach the top of the pile of balls? Show all calculations
marusya05 [52]

The time taken for the object to reach to top of pile is 0.012 year.

<h3>Time of motion </h3>

The time taken for the object to reach to top of pile is calculated as follows;

time of motion = distance traveled/speed

time of motion = (1.1 x 10¹⁴ x 10³ m)/(3 x 10⁸ m/s)

where;

  • speed of light = 3 x 10⁸ m/s

time of motion = 3.67 x 10⁵ sec = 0.012 year

Thus, the time taken for the object to reach to top of pile is 0.012 year.

Learn more about time of motion here: brainly.com/question/2364404

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7 0
2 years ago
Which chemical has the least solubility at 80 c
Vinil7 [7]

Answer:

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snow_lady [41]

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3 years ago
When mixtures of gaseous h2 and gaseous cl2 react, a product forms that has the same properties regardless of the relative amoun
lilavasa [31]
According to Dalton's Atomic Theory, the <em>Law of Definite Proportion is applied when a compound is always made up by a fixed fraction of its individual elements.</em> This is manifested by the balancing of the reaction.

The reaction for this problem is:

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1 mol of H₂ is needed for every 1 mole of Cl₂. Assuming these are ideal gases, the moles is equal to the volume. So, if equal volumes of the reactants are available, they will produce twice the given volumes of HCl.
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