Explanation: Process is diffusion. The gas molecules follow a zig-zag path through the tube as they collide with the air molecules in the tube. The purpose of the glass tube is to eliminate air currents and to see if the gas molecules will move on their own.
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Answer: 92 kg
Explanation:
because the rest of them are increasing weight or not changing at all and if you were to go to the moon you would weigh less
Answer:
the answer A- 8 protons and 10 electrons
Answer:
dissolving sugar in water
burning a candle
Explanation: these both have chemical and physical changes happening to them.