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Nimfa-mama [501]
3 years ago
6

Which of the following is NOT a way carbon dioxide returns to the atmosphere?

Chemistry
1 answer:
yawa3891 [41]3 years ago
4 0

Answer:

emissions by factories is the answer

Explanation:

Factories produce air pollution which is polluted air, the other options

decay of organisms, photosynthesis (convert light energy into chemical energy - and returns CO2), and cellular respiration are all of the ways carbon dioxide returns to the atmosphere.

Hope this helped! Have a nice day, be safe and healthy :)

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Read: https://kids.britannica.com/kids/article/DNA/390730 (Links to an external site.)
kompoz [17]

Answer:

im not doing your whole homework. but ill give you  one cent ;>, whats ur paypal

Explanation:

4 0
3 years ago
According to Graham’s law, the rate of effusion of a gas is inversely proportional to
VLD [36.1K]

C.  the square root of the mass of the particles.

<h3>Further explanation  </h3>

Graham's law: the rate of effusion of a gas is inversely proportional to the square root of its molar masses or  

the effusion rates of two gases = the square root of the inverse of their molar masses:  

\rm \dfrac{r_1}{r_2}=\sqrt{\dfrac{M_2}{M_1} }

or  

\rm M_1\times r_1^2=M_2\times r_2^2

From this equation shows that the greater the mass of the gas, the smaller the effusion rate of the gas and vice versa, the smaller the mass of the gas, the greater the effusion velocity.

So if both gases are at the same temperature and pressure, the above formula can apply

5 0
3 years ago
Find the pH of <br> 2.1 x 10-3 [HCI]
erik [133]

Answer: pH = 2.68

Explanation: pH = - log[H3O^+] .

 HCl reacts with water : HCl + H2O ->  Cl^- + H3O^+

So [H3O^+] = c(HCl) = 0.0021 M

pH = - log(0.0021) = 2.68

 

7 0
3 years ago
True or False: Salt will freeze with water molecules.​
uysha [10]

Answer:

True

Explanation:

Salt is used to keep ice from forming but it only helps with certain tempuratures is still able to freeze

8 0
3 years ago
Read 2 more answers
Classify each titration curve as representing a strong acid titrated with a strong base, a strong base titrated with a strong ac
Leona [35]
 <span>From left to right: 

1) starts at high pH, no buffer zone - strong base being titrated with strong acid 
2) starts at low pH, no buffer zone - strong acid being titrated with strong base 
3) starts at low pH, shows a buffer zone - weak acid titrated with strong base 
4) starts at high pH, shows a buffer zone - weak base titrated with strong acid 
5) polyprotic due to two equivalence points 
</span>
4 0
3 years ago
Read 2 more answers
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