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oksian1 [2.3K]
3 years ago
14

Why are little pieces of cardboard lighter than a whole piece of cardboard?

Chemistry
2 answers:
Ilia_Sergeevich [38]3 years ago
7 0
I use small cardboard<span> boxes for organizing drawers, etc,---also break them down and use it in the garden to kill weeds, and I add some to my compost. ... side to one edge that's somewhat shorter </span>than<span> the magazine, to enable one to remove one magazine without removing the </span>whole<span> box from the shelf.</span>
bogdanovich [222]3 years ago
7 0
This is because little pieces of cardboard is the same thing as splitting the weight, so splitting the weight of it means the total of all the pieces won't be exactly the same as a whole cardboard.
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What change in volume results if 60 mL of a gas is cooled from 33 C to 5 C?
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Change in volume on changing temperature from 33^{\circ}C to 5^{\circ}C is 5.49 mL

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Initial volume of gas = V = 60 mL

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\displaystyle \frac{V}{V'}=\displaystyle  \frac{T}{T'} \\\displaystyle \frac{60\textrm{ mL}}{V'} = \displaystyle \frac{306\textrm{ K}}{T} \\V' = 54.51 \textrm{ mL} \\\textrm{Change in volume} = \left ( V-V' \right ) \\\textrm{Change in volume} = \left ( 60-54.51 \right )\textrm{ mL} \\\textrm{Change in volume} = 5.49 \textrm{ mL}

Change in volume on changing temperature = 5.49 mL

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