Vista previa 2 fuera de 8 páginas
Vista previa 2 fuera de 8 páginas
Título del libro:
Autor(es):
Algunos ejemplos de esta serie de preguntas de práctica
1.
What is Cohesion?
Respuesta: An attraction between molecules of the same substances. (Ex: When water droplets join together)
2.
What is Adhesion?
Respuesta: The attraction between molecules of different substances. (Ex: Water sticking to surfaces like walls.)
3.
What is Heat Capacity?
Respuesta: The amount of heat required to change the temperature of a given amount of matter by 1°C. (Heat Capacity allows oceans and lakes to absorb large amounts of heat with only small changes in its temperature. It protects living organisms from drastic changes in temperature.)
4.
What is Polarity?
Respuesta: A molecule in which the charges are unevenly distributed is said to be polar. (Water is polar because there is an uneven distribution of electrons)
5.
What is Ph?
Respuesta: It stands for Potential Hydrogen. Ph is how acidic a solution is. (Water has a Ph of 7) (A solution that has a Ph that ranges from 7-14 is considered an acid)
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