Answer:
if its multiple, C and D, if not, C
Explanation:
brainliesttt?
(0.48 gram) x (1mole / 4.0 gram) = 0.48/4.0 = 0.12 mole
D the substance is a homogeneous mixture
Answer;
The above statement is true
upon heating a copper sample will expand, leading to a lower density
Explanation;
-The density of solids decreased with increase in temperature and vice versa. The increase in temperature causes the volume of the solid to increase which as a result decreases the density as Density=Mass/Volume. The temperature of a body is the average kinetic energy of the molecules present in it.
In other words; The temperature of a body is the average kinetic energy of the molecules present in it. Therefore; when heat is supplied ( or temperature is increased) the average kinetic energy increases which increases the volume and thus density decreases.
