Density = mass / volume
= 69g / 23 ml
= 3 g / ml.
Thus, the density of the sample is 3 grams per ml or 3g/ ml
Answer:
7.146
Explanation:
use the equilibrium equation
The focal length, like you said it's the distance between the FOCAL point and the mirror.
Hope this helps.... :)
Galactic recycling is a natural phenomenon in which the stars expel some gas into the space so that it would mix with the interstellar medium. As a result, this would produce new younger stars. So, basically, the concept done here is the mass and energy conservation. In order to create new species, the energy must come from another source.
Answer:
2 elements
Explanation:
Octane is composed of carbon and hydrogen atoms.
