Answer:
if a 40.0-gram sample of the gas occupies 11.2 liters of space at STP? A balloon is filled with 5 moles of helium gas.
Explanation:
<span>#1 is air radon, #2 is x-ray, #3 is ground, #4 is cosmic radiation, #5 is TV tube, #6 is weapons test fallout . That's all I got hope I helped!</span>
Temperature change, colour change, releasing gas, bubbles and change in odor
Answer:
B
Explanation:
cool air never rises so not A
C would mean its getting warmer
and heat flows from warm to cool so not D
we are left with B
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