Because the penny absorbs the kinetic energy from the impact and releases it back into the environment as heat since the energy cannot be stored as potential energy.
I would classify the salad as a mixture because you can separate the components<span />
Answer:
a mole of lactic acid = 90 g
a 0.5 M solution would require 1/2 mol or 45 g
Explanation:
The molecular mass is 90 d, the combined atomic masses of its atoms.
Answer:
The change from a liquid phase to a gaseous phase.
so the answer would be it changed to a gaseous phase
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This is what occurs when the vapor pressure of the liquid is equal to the atmospheric pressure exerted on the liquid.