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Anika [276]
2 years ago
15

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xtgreater \ \ \textless \ br /\ \textgreater \ [/tex]
\bold{ \sf{what \: is \:nitrogen \: fixation }}
​
Chemistry
2 answers:
Brums [2.3K]2 years ago
8 0

Nitrogen fixation is the incorporation of atmospheric nitrogen into ammonia by various bacteria, catalyzed by nitrogenase.This is an essential stage in the nitrogen cycle and is the ultimate source of all nitrogen in living organisms. Nitrogen cycle: atmospheric nitrogen is inert and cannot be used by living forms

<h3>Hope This Helps You ❤️</h3>
azamat2 years ago
6 0

Answer:

Nitrogen fixation is a chemical process by which molecular nitrogen in the air is converted into ammonia or related nitrogenous compounds in soil or aquatic systems. Atmospheric nitrogen is molecular dinitrogen, a relatively nonreactive molecule that is metabolically useless to all but a few microorganisms.

Explanation:

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Which of the following has the most H+ ions in its solution?
devlian [24]

Answer:

A.

Explanation:

The lower the pH  the greater the concentration of H+ ions. Hydrochloric acid with a pH of 1 is a strong acid  and is highly ionised in solution.  It has the most H+ ions

7 0
3 years ago
Write the name of the element that corresponds to each of the following symbols.
Fed [463]
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8 0
3 years ago
Read 2 more answers
Can anyone solve this please. I need this fastly
Natalka [10]

Answer:

Average atomic mass = 63.3896

Explanation:

Step 1: Find how much Cu-65 we have

1 - Amount of Cu-63 = Amount of Cu-65

1 - 0.6915 = Amount of Cu-65

Amount of Cu-65 = 0.305

Step 2: Find the average atomic mass of Cu

(0.6915 x 63) + (0.305 x 65) = <em>Average atomic mass</em>

(43.5645) + (19.825) = <em>Average atomic mass</em>

63.3895 = <em>Average atomic mass</em>

Therefore the average atomic mass of Cu is 63.3895 atomic mass units

4 0
2 years ago
Na2Co3 and BaCl2 form precipitate
frez [133]
Yes barium carbonate forms a ppt. it is insoluble in water

6 0
3 years ago
A small toy car draws a 0.50-mA current from a 3.0-V NiCd (nickel-cadmium) battery. In 10 min of operation, (a) how much charge
adelina 88 [10]

Answer:

0.3 Coulomb charge flows through the toy car.

0.9 Joules of energy is lost by the battery

Explanation:

Current(I)=\frac{charge(Q)}{Time (T)}

a)

Current drawn from the battery = 0.50 mA = (0.50 × 0.001 A)

milli Ampere = 0.001 Ampere

Duration of time current drawn = T = 10 min = 10 × 60 s = 600 s

1 min = 60 seconds

Charge flows through the toy car be Q

0.50\times 0.001 A=\frac{Q}{600 s}

Q=0.50 \times 0.001 A\times 600 s=0.3 C

0.3 Coulomb charge flows through the toy car.

b)

Heat(H)=Voltage(V)\times Current(I)\times Time(T)

Voltage of the battery = V = 3.0 V

Current drawn from the battery = 0.50 mA = (0.50 × 0.001 A)

Duration of time current drawn = T = 10 min = 10 × 60 s = 600 s

H=V\times I\time T=3.0 V\times 0.50 \times 0.001 A\times 600 s

H = 0.9 Joules

0.9 Joules of energy is lost by the battery

4 0
3 years ago
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