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3 years ago

Define Saturated Solution. What happens as a saturates solution cools?

2 answers:

8 0

Saturated solution is a solution in which no more solute can be dissolved in the solvent. When saturated solution cools, the solution began precipitate from the solution, because under lower temperature, usually, less amount solute can be dissolved in the solvent.

LenKa [72]3 years ago

3 0

What is saturated solution?

Saturated solution is basically a solution that contains the highest amount of concentration of a solute that is dissolved in the solvent.

What happens as a saturates solution cools?

If a saturates solution cools it would then form a super saturated solution and then afterwards a seed crystal could be added.

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The Ka1 value for oxalic acid is 5.9 x10-2 , and the Ka2 value is 4.6 x 10-5 . What are the values of Kb1 and Kb2 of the oxalate

andre [41]

Answer:

2.17x10⁻¹⁰ = Kb1

1.69x10⁻¹³ = Kb2

Explanation:

Oxalic acid, C₂O₄H₂, has two intercambiable protons, its equilibriums are:

C₂O₄H₂ ⇄ C₂O₄H⁻ + H⁺ Ka1 = 5.9x10⁻²

C₂O₄H⁻ ⇄ C₂O₄²⁻ + H⁺ Ka2 = 4.6x10⁻⁵

Oxalate ion, C₂O₄²⁻, has as equilibriums:

C₂O₄²⁻ + H₂O ⇄ C₂O₄H⁻ + OH⁻ Kb1

C₂O₄H⁻ + H₂O ⇄ C₂O₄H₂ + OH⁻ Kb2

Also, you can know: KaₓKb = Kw

<em>Where Kw is 1x10⁻¹⁴</em>

Thus:

Kw = Kb2ₓKa1

1x10⁻¹⁴ =Kb2ₓ4.6x10⁻⁵

And:

Kw = Kb1ₓKa2

1x10⁻¹⁴ =Kb1ₓ5.9x10⁻²

<em>That is because the inverse reaction of, for example, Ka1:</em>

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3 years ago

and it has been trying to lose weight her problem is that she is addicted to sweets.whay can she substitute for candy in a weigh

Papessa [141]

She could eat more carbs. Carbs would turn into glucose in the body and make her crave sugar less, so she would eat less sugar.
Mark me brainliest please

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3 years ago

jake pushes a heavy box across a carpeted floor.Name three forces that act on the box, and explain how you know these are unbale

Fantom [35]

I actually learned about this stuff about 3 years ago and this is what I can tell you what I remember and hopefully it helps in a way...
[Newton’s law of motion]
There’s unbalanced forces, friction, and balanced forces.
Unbalanced forces is where the object (in this case the box) is moving in one direction because one of the forces is applying more pressure than the other
Friction is where the box would be harder to push but if it’s still an unbalanced force, it will still move in one direction. The surfaces of the ground and or object isn’t smooth. Therefore creating difficulty when moving it.
A Balanced force will not move the object in any direction. This is because there is an equal amount of force being applied to all opposing sides. The net force will always equal 0 when there’s a balanced force!

-HOPE THAT HELPED IN A WAY! <3

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3 years ago

Energy pyramid worksheet

Taya2010 [7]

Answer:

From top to bottom coyote, crow, squirrel, then acorn

Explanation:

The coyote has the least amount of energy and its the biggest predator so it belongs at the top. The crows eat squirrels and the squirrels eat acorns.

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3 years ago

What is the rarefraction of a longitude wave

kvv77 [185]

Answer:

it is a transverse wave. Does that help?

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