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fenix001 [56]
3 years ago
10

Why is water an effective solvent for ionic compound

Chemistry
1 answer:
sweet [91]3 years ago
3 0
Hey there!
The answer you are looking for
is polarity
Hydrogen (even though has one electron is positive)
Oxygen is negative (needs two to complete)
due to the oxygen hydrogen now experiences electronegativity
the need to want to bond

but ordinarily
Hydrogen wants to lose


but it is with this special scenario where if a compound like salt is in place

the Hydrogen dissolves the Chlorine and Oxygen to the Sodium
So its all polarity
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The use of evaporation and condensation to separate the partsof a mixture is called _____
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Answer: Evaporation Condensation is used to seperate the parts of a mixture

Explanation: This is because it is the first order of the distilation process

5 0
2 years ago
How many moles of water are produced from 13.35 mol of oxygen?
olganol [36]

Answer:

The answer is 26.70

4 0
2 years ago
If nitrogen-13 has a half life of 2.5 years, how much remains from a 100g sample after 7.5 years
Sonbull [250]

Answer:

12.50g

Explanation:

T½ = 2.5years

No = 100g

N = ?

Time (T) = 7.5 years

To solve this question, we'll have to find the disintegration constant λ first

T½ = In2 / λ

T½ = 0.693 / λ

λ = 0.693 / 2.5

λ = 0.2772

In(N/No) = -λt

N = No* e^-λt

N = 100 * e^-(0.2772*7.5)

N = 100*e^-2.079

N = 100 * 0.125

N = 12.50g

The sample remaining after 7.5 years is 12.50g

5 0
3 years ago
Why does Hess's law allow you to determine the enthalpy change of a<br> reaction?
lana [24]

Enthalpy is a state function

Explanation:

The Hess's law allows us to determine the enthalpy change of a reaction because enthalpy is a state function. It does not depend on the individual path take in going from reactants to products in the reaction.

  • Enthalpy changes are the heat changes accompanying physical and chemical changes.
  • It is the difference between the heat content of product in the final state and the reactants.
  • Enthalpy changes for some reactions are not easily measurable experimentally.
  • To calculate such heat changes, we apply the Hess's law of heat summation.
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learn more:

Hess's law brainly.com/question/11293201

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5 0
3 years ago
Pickles are cucumbers preserved in a brine solution containing dill, alum, and salt. Cucumbers shrink to a fraction of their nor
Anna [14]

Answer:

hypertonic solution

Explanation:

Hypertonic solution -

It is the solution, with more amount of solute than the solvent , is known as hypertonic solution.

Now, is some substance is immersed in such solution , the substance gets shrinked , because , the solvent from the substance moves out of it and moves to the hypertonic solution.

Hence, the pickles gets shrinked up , as they put in a hypertonic solution.

8 0
3 years ago
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