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Naily [24]
3 years ago
15

Calculate the potential for each cell as shown below and indicate whether the metal electrode in the half-reaction opposite the

standard hydrogen electrode, s.h.e., would be the anode or the cathode if the cell was shorted and electrons were allowed to flow freely at 25 °c.
a.s.h.e. || zn2 (aq, 0.0250 m) | zn(s)
Chemistry
1 answer:
Lesechka [4]3 years ago
8 0
.086567 is what I think as being a math matichian
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Hydrogen bonds form between neighboring water molecules because of:
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*A & B*

Answers A & B are not possible, as Hydrogen “bonds” are intermolecular forces and do not actually involve transfer or sharing of electrons.

*C & D*

Viscosity and surface tension are not the answer as they are not specific enough to the question.

*E*

Polarity of water molecules is the correct answer, as water molecules are highly polar. The partial positive of the Hydrogen on one water molecule is highly attracted to the partial negative of the Oxygen (due to its lone pairs) on another water molecule.
4 0
3 years ago
If 21.3 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 297 Kelvin and 1.40 atmosph
Gnoma [55]
Hope it helped you.

4 0
3 years ago
What type of rock commonly often contains gas bubbles and the mineral(s) hornblende, muscovite, olivine, lucite, and/or plagiocl
olga_2 [115]

Scoria

Explanation:

Scoria is a  rock that is commonly made up of gas bubbles and minerals such as hornblende, muscovite, olivine, lucite and or plagioclase.

Scoria is an extrusive igneous rock with a lot of cavities and vesicles indicating gas bubbles.

  • Scoria is product of basaltic magma.
  • It has nearly the same composition as basalt since it originates from it.
  • They silica deficient and very fine grained with holes in them.
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  • They are usually found associated with cindercone volcanoes.

learn more:

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4 0
3 years ago
Enter your answer in the provided box. Calcium hydroxide may be used to neutralize (completely react with) aqueous hydrochloric
NNADVOKAT [17]

Answer:

49.95 g of HCl

Explanation:

Let's formulate the chemical equation involved in the process:

Ca(OH)2 + 2 HCl → CaCl2 + 2 H2O

This means that we need 1 mole of Calcium hydroxide to neutralize 2 moles of hydrochloric acid. From this, we calculate the quantity of HCl moles that would be neutralized by 0.685 moles of Ca(OH)2

1 mole Ca(OH)2 ---- 2 moles HCl

0.685 moles Ca(OH)2 ---- x = 1.37 moles HCl

Now that we know the quantity of HCl moles that would react, let's calculate the quantity of grams this moles represent:

1 mole of HCl ---- 36.46094 g

1.37 moles ------ x = 49.95 g of HCl

3 0
3 years ago
Why do we think mercury has so many tremendous cliffs?
wlad13 [49]

Answer:

it is sticky

Explanation:

hope it helps

4 0
2 years ago
Read 2 more answers
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