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IRISSAK [1]
3 years ago
14

Suppose you want to determine which type of paper falls the fastest; an unfolded sheet of paper, a sheet of paper folded into fo

urths or a crumpled sheet of paper. You hypothesize that the crumpled paper falls the fastest. How would you use the scientific method to prove your hypothesis? I really need some help with this one!
Chemistry
2 answers:
Dmitry_Shevchenko [17]3 years ago
7 0
If i drop a crumbled piece of paper then it will fall the fasts because it wont  fall as fast as the unfolded because it will catch wind and take longer to fall
AnnZ [28]3 years ago
3 0
For starters, I would get the same height for each paper, such as a counter top. Then, I would make said paper. You would use a timer of course, maybe even something like a speed gun to calculate the speed as said paper falls. You would push each paper off the counter top and calculate the speed for each paper. This is the easiest way to prove your hypothesis.
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When PCl5 solidifies it forms PCl4+ cations and PCl6– anions. According to valence bond theory,
rewona [7]

Hey there!

No of hybrid orbitals , H = ( V +S - C + A ) / 2

Where H = no . of hybrid orbitals

V = Valence of the central atom = 5

S = No . of single valency atoms = 4

C = No . of cations = 1

A = No . of anions = 0

For PCl4 +

Plug the values we get H = ( 5+4-1+0) / 2

H =  4 ---> sp3 hybridization

sp3 hybrid orbitals are used by phosphorous in the PCl4+ cations

Answer C

Hope that helps!

3 0
4 years ago
Why do atoms of elements take part in chemical reaction?​
Marina CMI [18]

Explanation:

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4 0
3 years ago
What units should they have used in order to make the correct conversion
grandymaker [24]
We need to see your problem/question you’re talking about to answer it
5 0
3 years ago
As the sun heats the surface of the ocean, two layers of water result. What separates the layers.
pychu [463]

Question:<u> As the sun heats the surface of the ocean, two layers of water result. What separates the layers.?</u>

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<em>~~~~~~~~~~~~~~~~~~~</em>

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4 0
3 years ago
One gram of carbon contains 50,200,000,000,000,000,000,000 atoms. express the number of carbon atoms in scientific notation
german
N(C)=5,02·10²² atoms

calculation check:

N(C)=(1/12)*6.022*10²³=0.5018*10²³≈5.02·10²²
5 0
3 years ago
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