For the following question(s), consider a 4% starch solution and a 10% starch solution separated by a semipermeable membrane.
Which of the following also occurs in this system?
There is a net flow of water from the 4% starch solution into the 10% starch solution
Vapourization is the conversion of the water into a gaseous state. The energy flow of vaporization is similar to that of the melting.
<h3>What are melting and vaporization?</h3>
Vapourization is the physical change that converts the liquid state of matter into a gaseous state. Whereas melting is the process that involves the conversion of the solid ice into the liquid water.
Both the process of vaporization and melting absorbs heat from their surrounding system to convert the state of matter, while the process of freezing release heat to convert the liquid into solid.
Therefore, the flow of energy of vaporization is similar to melting.
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Answer:
Revisa la explación detallada, por favor.
Explanation:
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En este caso, teniendo en mente la definición de ley de velocidad, es posible recordar que esta tiene la forma genérica:
En donde k es la constante de velocidad, [A] la concentration de cualquier especie A en la reacción y m el orden the reacción. Ahora, hay tres órdenes de reacción, cero, primer, y segundo orden, y esto pasa cuando m=0, m=1 y m=2 respectivamente. Por lo tanto, si la reacción es de orden cero, la rapidez de reacción resulta igual a la constante de velocidad dado que la concentración estaría elevada a la cero y por consiguiente siempre tendrá valor de 1, por lo que la concentración no afecta la velocidad de reacción. Esto anterior se expresa como:
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Answer:
1. B, D,
2.A, F
Explanation:
1. According to the law of conservation of mass, In a course of chemical reaction, matter can neither be created nor destroyed but can be changed from one form to another. This means the amount of matter at the begining and ending of a reaction must be thesame.
2. Chemical reaction is not easily reversible. when gas is produced, provided the reaction system is an open system, the gas cannot be recovered and the reactants cannot be recovered from the products. likewise color change are attributed to chemical reaction
Answer:
2KOH(aq) + NiSO₂(aq) → K₂SO₄(aq) + NiOH₂(s)
Explanation:
This reaction is an example of a <em>double-replacement reaction </em>where the cations of two compounds exchange with its anions. In the reaction:
KOH(aq) + NiSO₄(aq)
There are produced K₂SO₄ and NiOH₂ salts (The last one is insoluble, its state is (s) but K₂SO₄ is very soluble, its state is (aq). The unbalanced reaction is:
KOH(aq) + NiSO₄(aq) → K₂SO₄(aq) + NiOH₂(s)
To balance the potassiums:
<h3>
2KOH(aq) + NiSO₂(aq) → K₂SO₄(aq) + NiOH₂(s)</h3>
And now, the reaction is balanced