Answer: I think its the second one
Explanation:
A positive and a negative charge are released from rest in vacuum. They move toward each other. As they do: A positive potential energy becomes more positive.
For better understanding, lets explain the terms
- Electrical potential energy is positive and negative. If positive , it mean that the two charges are of the same type, that is, it is either positive or it is negative when the two charges are of opposite types
- A Positive potential energy means that work is done on a positive test charge so as to move it from one place to another, this result in the potential energy increases and also the electric potential increases
From the above we can therefore say the answer A positive and a negative charge are released from rest in vacuum. They move toward each other. As they do: A positive potential energy becomes more positive.
is correct
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Based on the information given, it can be noted that the computation shows that the ratio will be 3:7.
From the complete question, the data given was:
- Giraffes = 124
- Other = 108
- New giraffe = 124 - (63% × 124) = 45
Therefore, the ratio will then be:
= 44:88 = 3:7
In conclusion, the ratio is 3:7.
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Answer:
En química, la reactividad de una especie química es su capacidad para reaccionar en presencia de otras sustancias químicas o reactivos (de diferente dominio químico).1
Se puede distinguir entre la reactividad termodinámica y la reactividad cinética. La primera distingue si la reacción está o no favorecida por entalpía (competencia entre energía y entropía), es decir si es una reacción espontánea o no. La segunda distingue si la reacción tendrá lugar o no en una escala de tiempo dada.
De esta forma, existen reacciones termodinámicamente favorables pero cinéticamente impedidas, como la combustión de grafito en presencia de aire. En casos así, la reacción se dará de una forma muy lenta o, directamente, no se producirá. Si una reacción se encuentra bloqueada cinéticamente, es posible lograr que se produzca alterando las condiciones de reacción o utilizando un catalizador.
La química orgánica y la química inorgánica estudian la reactividad de los distintos compuestos. La fisicoquímica trata de calcular o predecir la reactividad de los compuestos, y de racionalizar los mecanismos de reacción.
Explanation:
Hello.
The best answer would be
<span>B. Every object in the universe that has mass attracts every other object in the universe that has mass.
Have a nice day</span>
