Melting, boiling, and freezing are state changes!
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Answer:
Q= -6900 J
Explanation:
use the formula Q=mC(T_2 - T_1) and sub in givens
Q=mC(T_2 - T_1)
Q= (200 g)(0.444 J/g°C)(22-100)
Q= -6900 J
The negative sign means heat is lost, which agrees with the decrease in temperature
The marbles that are 'more energetic' fall out of the tray, in the same way particles have enough energy to escape and turn into a gas.
13 year old and the light year mean cell of moucles that can use simple year light diffusion
Matter that emits no light at any wavelength is called DARK MATTER.
