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Masteriza [31]
4 years ago
8

What happens in a voltaic cell?

Chemistry
1 answer:
nirvana33 [79]4 years ago
3 0

Answer:

Hi ,

Answer:

A chemical energy is changed to a electrical energy

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The rate law of a reaction is rate = k[D][X]. The units of the rate constant are ________.
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Answer:

D

Explanation:

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Since the rate must have the following units: mol/(L*s), the suitable units for k, considering that the term [D] [X] leads to mol^2/(L^2) (it means a second order kinetic law), are L/(mol*s), nevertheless, that answer isn't in the given options.

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Which energy source has been developed and improved by chemists?
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a

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3 years ago
The volume of a gas is 22.4 L when the pressure of the atmosphere is 1.00 atm. If the pressure is increased to 1.05 atm, without
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3 years ago
What volume of a 0.3300-m solution of sodium hydroxide would be required to titrate 15.00 ml of 0.1500 m oxalic acid? c2 o4 h2(a
shtirl [24]

Answer : 13.64 mL


Explanation : The reaction requires 13.64 mL of NaOH 

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So the moles of NaOH will be 2 X (2.25 X 10^{-3}) =  4.5 X 10^{-3}

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So, the volume of NaOH needed to neutralize oxalic acid will be 13.64 mL

8 0
3 years ago
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