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RoseWind [281]
3 years ago
8

What stops gravity from pulling water to the center of the earth

Chemistry
2 answers:
irakobra [83]3 years ago
5 0
The same thing that prevents gravity from pulling to you to the center of the Earth ; electromagnetic repulsion, or more properly, electron degeneracy pressure
Alona [7]3 years ago
4 0

Magnetism, or more specifically electromagnetic repulsion

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So i need answers. Take your time its alright im not going to push it out. Thanks!
kirill115 [55]
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
3 0
2 years ago
For the generic equilibrium HA(aq) ⇌ H+(aq) + A−(aq), which of these statements is true? For the generic equilibrium , which of
timama [110]

<u>Answer:</u> The correct statement is if you add the soluble salt KA to a solution of HA that is at equilibrium, the pH would increase.

<u>Explanation:</u>

Common ion effect is defined as the effect which occurs on equilibrium when a common ion (an ion which is already present in the solution) is added to a solution. This effect generally decreases the solubility of a solute.

Equilibrium reaction of HA and KA follows the equation:

HA\rightleftharpoons H^{+}(aq.)+A^{-}(aq.)

KA\rightleftharpoons K^+(aq.)+A^{-}(aq.)

According to Le-Chateliers principle, if there is any change in the variables of the reaction, the equilibrium will shift in the direction in order to minimize the effect.

In the equilibrium reactions, A^- ion is getting increased on the product side, so the equilibrium will shift in the direction to minimize this effect, which is in the direction of HA.

Thus, the addition of KA will shift the equilibrium in the left direction.

Equilibrium constant depends on the temperature of the system. It does not have any effect on any change of pH.

pH is defined as the negative logarithm of hydrogen ions present in the solution

  • If the solution has high hydrogen ion concentration, then the pH will be low.
  • If the solution has low hydrogen ion concentration, then the pH will be high.

As, the equilibrium is shifting in the left direction, that means concentration of H^+ ions are getting decreases. This will increase the pH of the solution.

Hence, the correct statement is if you add the soluble salt KA to a solution of HA that is at equilibrium, the pH would increase.

8 0
3 years ago
A runner completes a 5-mile run.how many yards did she run
slega [8]

The runner ran a total of 8800 yards.

5 0
3 years ago
PLEASE HELP NAME THIS CHEMICAL AsO3
Oksi-84 [34.3K]

Answer:

I believe it is "Arsenenate"

3 0
3 years ago
Ammonia, NH3, is a typical ingredient in household cleaners. It is produced through a combination reaction involving N2(g) and H
GalinKa [24]
The balanced chemical reaction is:

N2 + 3H2 = 2NH3

We are given the amount of hydrogen gas to be used in the reaction. This will be the starting point of the calculations.

24.0 mol H2 (2 mol NH3 / 3 mol H2 ) = 16 mol NH3

Therefore, ammonia produced from the reaction given is 16 moles.
3 0
3 years ago
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