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klio [65]
3 years ago
12

Sodium is more reactive than magnesium. true or false

Chemistry
2 answers:
OLga [1]3 years ago
8 0
True. Sodium has a lower electronegativity.
Aleksandr [31]3 years ago
7 0
The Answer would be False.
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Which statement about concentration cells is correct?
Annette [7]

Answer:

The answer is D. The concentrations are different and the reactions are different, so the cell potential is 0.00 volts.

Explanation:

A concentration cell is an electrolytic cell that is comprised of two half-cells with the same electrodes, but differing in concentrations. A concentration cell acts to dilute the more concentrated solution and concentrate the more dilute solution, creating a voltage as the cell reaches an equilibrium.

7 0
3 years ago
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What is the simplest whole number ratio of atoms in a molecule or formula unit called?
astra-53 [7]
The empirical formula
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3 years ago
What are isoelectronic and isostructural species?
alexgriva [62]
Isoelectronic species are ions or elements that have equal number of electrons. From the root word, electron of the word isoelectronic. On the other hand, isotructural species are compounds with the same structures.Hope this answers the question. 
8 0
4 years ago
Write a balanced half-reaction for the reduction of gaseous oxygen to aqueous hydrogen peroxide in basic aqueous solution. Be su
Vesna [10]

Answer:

Balanced half-reaction: O_{2}(g)+2H_{2}O(l)+2e^{-}\rightarrow H_{2}O_{2}(aq.)+2OH^{-}(aq.)

Explanation:

Balanced half-reaction for the reduction of gaseous oxygen to aqueous hydrogen peroxide in basic solution should be written in the following step-by-step manner:

Half-reaction: O_{2}(g)\rightarrow H_{2}O_{2}(aq.)

Balance H and O in basic medium: O_{2}(g)+2H_{2}O(l)\rightarrow H_{2}O_{2}(aq.)+2OH^{-}(aq.)

Balance charge: O_{2}(g)+2H_{2}O(l)+2e^{-}\rightarrow H_{2}O_{2}(aq.)+2OH^{-}(aq.)

Balanced half-reaction: O_{2}(g)+2H_{2}O(l)+2e^{-}\rightarrow H_{2}O_{2}(aq.)+2OH^{-}(aq.)

7 0
4 years ago
How should I write balanced net ionic equation for this reaction?
Maksim231197 [3]

Answer:

Explanation:

Assumptions

  • They would ionize completely, or you must assume that.  
  • The volumes must be the same as well.
  • 0.11M Cu(NO3)2 ===> 0.11MCu2+   + 0.22 NO3-

Note

The concentrations would merely add. All things change if the assumptions I've made are not true.

3 0
3 years ago
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