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Orlov [11]
3 years ago
11

What's 2.5 meters to millimeters ????

Chemistry
2 answers:
Katyanochek1 [597]3 years ago
7 0

Answer:

2.5 meters = 2500 millimeters

Hope this helps :)

irga5000 [103]3 years ago
4 0

answer

2500

because it's mm

and you just have to add 2 more place values

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Consider an oxygen-concentration cell consisting of two zinc electrodes. One is immersed in a water solution with a low oxygen c
blsea [12.9K]

Answer:

(a) The anode electrode which comprises the zinc electrode being placed in a water solution with low oxygen concentration.

(b) Cathodic reaction is: O_{2} + 2H_{2}O + 4e^{-} ⇒ 4OH^{-}

Anodic reaction is: Zn ⇒Zn^{2+} + 2e^{-}

Explanation:

In the given problem, we have an oxygen-concentration cell consisting of two zinc electrodes. One is immersed in a water solution with a low oxygen concentration and the other in a water solution with a high oxygen concentration. The zinc electrodes are connected by an external copper wire.

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Cathodic reaction is: O_{2} + 2H_{2}O + 4e^{-} ⇒ 4OH^{-}

Anodic reaction is: Zn ⇒Zn^{2+} + 2e^{-}

6 0
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A salt solution with a volume of 250 mL that contains 0.70 mol NaCl.
uysha [10]
 <span>0.70 mol/0.250 L = 2.8 M</span>
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