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Levart [38]
2 years ago
11

What animal did this person tes on to see if the air was pure nitrogen?

Chemistry
1 answer:
Fofino [41]2 years ago
8 0

Answer:

DONT CLICK THAT LINK THAT'S A SCAM AND A VIRUS PLEASE LISTEN

Explanation:

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Which of the following is a correct statement regarding the free energy?
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A

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What is a Product? ASAP
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Do you want me to give you the definition in math, science or just what a product means because there's different types.

3 0
3 years ago
If a radioisotope has a half-life of 4 years, how much remains of a starting amount of 40 grams after 16 years have passed?
Gwar [14]

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only 2.5 grams will be present after 16 years have passed

5 0
3 years ago
Nitric oxide is formed in automobile exhaust when nitrogen and oxygen in air react at high temperatures.N2(g) + O2(g) 2NO(g)The
yanalaym [24]

Answer : The correct option is, (E) 7.8 atm

Explanation :

The partial pressure of N_2 = 8.00 atm

The partial pressure of O_2 = 5.00 atm

K_p = 0.0025

The balanced equilibrium reaction is,

                               N_2(g)+O_2(g)\rightleftharpoons 2NO(g)

Initial pressure     8.00      5.00            0

At eqm.               (8.00-x) (5.00-x)        2x

The expression of equilibrium constant K_p for the reaction will be:

K_p=\frac{(p_{NO})^2}{(p_{N_2})(p_{O_2})}

Now put all the values in this expression, we get :

0.0025=\frac{(2x)^2}{(8.00-x)\times (5.00-x)}

By solving the terms, we get:

x=0.15atm

The equilibrium partial pressure of N_2 = (8.00 - x) = (8.00 - 0.15) = 7.8 atm

Therefore, the equilibrium partial pressure of N_2 is 7.8 atm.

3 0
3 years ago
Convert 1.50μm2 to square meters
IrinaVladis [17]
1 micro meter = 10^{-6}  meters
1 μm ^2 = 1 μm*1μm = 10^{-6} *10^{-6} =  10^{-12} meters

1.5 μm^2 = 1.5 * 10^{-12} meters

μm^2 is a unit for surface. First you want to convert μm to meters which is unit for length and if you multiply units for length you get unit for surface.
4 0
2 years ago
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