Soil particles, soot, lead (pb), asbestos, sea salt, and sulfuric acid droplets are all types of particulate matter.
The atmosphere is dusty .The solid and liquid particles suspended in the atmosphere .
Examples : Soil particles, soot, lead (pb), asbestos, sea salt, and sulfuric acid droplets are all types of particulate matter
There are different categories of particulate matter. Such as mold spores , bacteria , dust , smoke and airborne viral paricles. The major sources of particulates matter are wildfires , dust storms , sea spray , volcanic eruption , and industrial process.
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Answer:
Explanation:
He should use these for airborne sounds
MDF Fiberboard.
Gypsum Board.
Plasterboard.
Mineral Wool.
He should avoid using
Answer:
74.75%
Explanation:
To calculate this, we simply add the mass of the salicylic acid and the mass of the copper sulphate.
The addition will yield the following.
Mass of salicylic acid recovered = 0.586g
Mass of copper sulphate recovered = 3.12g
The addition of both is = 0.586g + 3.12g = 3.706g
The percentage composition can be calculated by dividing this by the original mass of the mixture before crystallization and dividing by 100.
3.706/4.958 * 100 = 74.75%
Answer:
You will generate 0.124 moles of aluminum when you react 0.372 moles of potassium
Explanation:
Determine the reaction:
3K + AlBr₃ → Al + 3KBr
Ratio is 3:1
3 moles of K can produce 1 mol of Al
So, 0.372 moles of K, may produce (0.372 .1) /3 = 0.124 moles of Al