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Julli [10]
3 years ago
12

Select all of the following statements that represent the differences between a voltaic cell and an electrolytic cell. Group of

answer choices The electrodes will change in mass for only the electrolytic cell Reduction happens at the cathode for only the electrolytic cell The redox reaction is spontaneous for only voltaic cell Electrode with the lowest reduction potential is reduced in an electrolytic cell A potential is generated when the voltaic cell runs
Chemistry
1 answer:
Sunny_sXe [5.5K]3 years ago
6 0

Answer:

  • The electrodes will change in mass for only the electrolytic cell
  • Electrode with the lowest reduction potential is reduced in an electrolytic cell
  • A potential is generated when the voltaic cell runs
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In metallic bonds, the mobile electrons surrounding the positive ions are called a(n)?
Anastaziya [24]

Answer: In metallic bonds, the mobile electrons surrounding the positive ions are called <u><em>dipole</em></u>.

6 0
3 years ago
How many moles of magnesium, Mg, are there in 4.75 grams of magnesium?
Nina [5.8K]
Molar mass Mg = 24.3 g/mol

1 mole mg ------------ 24.3 g
?? moles mg --------- 4.75 g

4.75 x 1 / 24.3 => 0.195 moles of Mg

hope this helps!
3 0
3 years ago
A balloon contains 5 L of oxygen at a pressure of 90 kPa. How much oxygen will the balloon contain if the pressure is lowered to
laila [671]
Answer is: volume will be 6,7 L.
Boyle's Law: the pressure volume law - <span> volume of a given amount of gas held  varies inversely with the applied pressure when the temperature and mass are constant.
p</span>₁V₁ = p₂V₂.
90 kPa · 5 L = 67 kPa · V₂.
V₂ = 90 kPa · 5 L / 67 kPa.
V₂ = 6,7 L, but same amount of oxygen.


7 0
3 years ago
to form brass, copper and zinc combine but do not chemically bond. brass is a(n) ________. a atom b element c compound d
umka21 [38]

Answer: Mixture

Explanation:To form brass, copper and zinc combine but do not chemically bond. Brass is a(n)

3 0
2 years ago
During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be r
vekshin1

Answer:

The answer is pyruvate → lactate

Explanation:

In the reaction of glycolysis, glucose breaks down to form pyruvate yielding ATP and NADH.

Under or during strenuous exercise, which is an anaerobic condition, lactate is formed by the reoxidization of NADH and the conversion of pyruvate to lactate.

6 0
3 years ago
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