Se coloca 1 litro de agua hirviendo a 100°c en una pava de aluminio que estaba a 20°c comprobándose que la temperatura de equilibrio fue de 86°c determinar: cantidad de calor que absorve el aluminio y la masa de la pava.

(ya me dijeron que el dato de 1 litro de agua es una trampa)

ejercicio de carolimetria.

c. rb

explanation:

the atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons.

pretty sure it's false

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.