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Aleks04 [339]
2 years ago
6

What is a risk of using Biomass?

Chemistry
1 answer:
o-na [289]2 years ago
7 0
It can cause stomach aches and headaches


hope this helps


brainliest plz
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4 0
3 years ago
9.Out of the following which is a poly atomic molecule. (H2, CI 2.03.)​
Vikki [24]

the poly atomic molecule is H2

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Is neon element a metal nonmetal or metalloid
avanturin [10]
Nonmetal your welcome

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7 0
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What is the percent composition of a copper chloride compound if a 269 g sample contains 127 g of copper and 142 grams of chlori
Tems11 [23]

Answer:

Explanation:

The whole sample is 269

%copper = 127/269 * 100 = 47.2%

%chlorine = 142/269 * 100 = 52.8%

That's all you are asking. Is there more?

5 0
3 years ago
A gas at STP has a volume of 1.5 L. What will the pressure be if it is at 26° C occupying .75 L​
andrey2020 [161]

Answer:

P₂ =  2.19 atm

Explanation:

Given data:

Initial volume = 1.5 L

Initial pressure =1 atm

Initial temperature = 273K

Final temperature = 26°C (26+273 = 299 K)

Final volume = 0.75 L

Final pressure = ?

Formula:  

P₁V₁/T₁ = P₂V₂/T₂  

P₁ = Initial pressure

V₁ = Initial volume

T₁ = Initial temperature

P₂ = Final pressure

V₂ = Final volume

T₂ = Final temperature

Solution:

P₂ = P₁V₁ T₂/ T₁ V₂  

P₂ = 1 atm × 1.5 L × 299 K / 273 K × 0.75 L  

P₂ = 448.5 atm .L. K / 204.75 K.L

P₂ =  2.19 atm

6 0
3 years ago
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