Question

¿Cuál es la presión sobre una mesa si se le aplica una fuerza de 200 N y tiene un área de 1 m2?

Answer 1

Respuesta:

We can all appreciate that water does not spontaneously boil at room temperature; instead we must heat it. Because we must add heat, boiling water is a process that chemists call endothermic. Clearly, if some processes require heat, others must give off heat when they take place. These are known as exothermic.

Answer 2

Respuesta:

Aaaargh!!!

Explicación: