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andreyandreev [35.5K]
3 years ago
7

What happens to oxygen and carbon dioxide in the respiratory system?

Chemistry
1 answer:
lara [203]3 years ago
8 0

Answer:

In the respiratory system, oxygen is breathed in and carbon dioxide ( a green house gas) is breathed out.

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Nitric acid is produced commercially by the Ostwald process, represented by the following equations. 4 NH3(g) + 5 O2(g) 4 NO(g)
Marrrta [24]

Answer:

The answer to your question is: 1538095.2 kg of NH3

Explanation:

MW HNO3 = 63 kg

MW NO2 = 46 kg

                         3 NO2(g) + H2O(l)--- 2 HNO3(aq) + NO(g)

                            3(46) kg--------------   2(63) kg  

                                  x     ---------------  7600000 kg

           x = 7600000 x 138/126 = 8323809.5 kg og NO2

MW NO = 30            

                         2 NO(g) + O2(g)---2 NO2(g)

                       2(30) ------------------2(46)

                        x        ---------------- 8323809.5 kg  

             x = 8323809.5 x 60/92 = 5428571.4 kg of NO

MW NH3 = 17 kg

                      4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g)

                       4(17) -------------------- 4(30)

                         x ----------------------- 5428571.4

x = 5428571.4 x 34 / 120

x = 1538095.2 kg of NH3

4 0
3 years ago
what happens if you fail a quarter in high school, does that credit not count anymore ? and do i have to retake the class if i p
vampirchik [111]
No if you pass the rest you will not have to retake the credit trust me i know
6 0
3 years ago
Which are characteristics of a prokaryotic cell? Select three options.
Lostsunrise [7]

Answer:

Contains DNA, Contains Ribosomes, Lacks a nucleus

Explanation:

4 0
3 years ago
Read 2 more answers
Which particles that make up an atom are involved in nuclear reactions?
Bezzdna [24]

Answer:

protons and neutrons- second choice

6 0
3 years ago
A ball is moving at a speed of 6.70 m/s. If the kinetic energy of the ball is 3.10 J, what is the mass of the ball?​
Anni [7]

Answer:

<h2>0.14 kg</h2>

Explanation:

The mass of the ball can be found by using the formula

m =  \frac{2k}{ {v}^{2} }  \\

v is the velocity

k is the kinetic energy

From the question we have

m =  \frac{2(3.10)}{ {6.70}^{2} }  =  \frac{6.20}{44.89}  \\  = 0.138115...

We have the final answer as

<h3>0.14 kg</h3>

Hope this helps you

7 0
2 years ago
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