Question Completion Status: QUESTION 2
How much heat energy must be added to increase the temperature of 9.4 grams of water if the water's
temperature is raised from 22°C to 84°C?
(The specific heat capacity of Liquid Water is 4.18 :)
g°C
Equation: Q=m. CAT
etc
A
Note: Do not include Units in the final answer because the answer will be marked wrong.

QUESTION 3

Supongamos que estás estudiando dos estrellas. ambas estrellas tienen la misma magnitud aparente, pero la estrella a tiene una magnitud absoluta mayor que la estrella b. ¿que puedes decir acerca de la distancia a la tierra de estas dos estrellas?

One nanometer is equal to how many meters?

Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. which of the following is the dependent variable in this experiment? the mirror used to reflect the light the ray box used as the source of light angle at which the light from the ray box strikes the mirror angle at which the mirror reflects the light from the ray box