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iren2701 [21]
3 years ago
7

In the dehydration of hydrated salt the sample was slightle moist because of high humidity briefly explain how the moisture affe

cts the percentage calculation
Chemistry
1 answer:
jenyasd209 [6]3 years ago
8 0

Answer:

identify and name the landforms in the following diagrams

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Will a horse galloping in a field produce and average velocity of zero
motikmotik

Answer:

No

Explanation:

Depending on the mass of the horse and the speed, velocity will change.

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3 years ago
What is the term for a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concent
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The answer is:
Osmosis
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3 years ago
Consider the redox reaction below.
vovangra [49]

Answer:

Zn(s) → Zn⁺²(aq) + 2e⁻

Explanation:

Let us consider the complete redox reaction:

Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g)

This is a redox reaction because, both oxidation and reduction is simultaneously taking place.

  • Oxidation (loss of electrons or increase in the oxidation state of entity)
  • Reduction (gain of electrons or decrease in the oxidation state of the entity)
  • An element undergoes oxidation or reduction in order to achieve a stable configuration. It can be an octet configuration. An octet configuration is that of outer shell configuration of noble gas.

Here Zn(s) is undergoing oxidation from OS 0 to +2

And H in HCl (aq) is undergoing reduction from OS +1 to 0.

Therefore, for this reaction;

Oxidation Half equation is:

Zn(s) → Zn⁺²(aq) + 2e⁻

Reduction Half equation is:

2H⁺ + 2e⁻ → H₂(g)

4 0
3 years ago
Write a net ionic equation to show how codeine, c18h21o3n, behaves as a base in water.
Lera25 [3.4K]

Actually, the ionic equation for this is a reversible equation since codeine is a weak base. Any weak base or weak acids do not completely dissociate which makes them a reversible process. The ionic equation for this case is:

<span>C18H21O3N  +  H3O+  </span><=> C18H21O3NH+ +  H2O 

7 0
3 years ago
Hhhhhhhhhhhhhhhhhhhhhhhhheeeeeeeeeelpppppppppppp
4vir4ik [10]

Answer:

- Producers are organisms that make their own food. - They are autotrophs. - They can convert inorganic substances into organic substances. ... - Consumers are organisms that need to eat other organisms to obtain energy.

Explanation:

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2 years ago
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