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lyudmila [28]
3 years ago
7

During 5th period Dylan was a beast. She resisted the forces applied by 13 other students in her class all at once. Her 13 class

mates tried to knock Dylan over, each applying a force of 17 N, and she still didn’t budge. How much force was Dylan pushing back with, and how many people would it take to push Dylan if she can withstand a force of 300 N?
Chemistry
1 answer:
erma4kov [3.2K]3 years ago
7 0

Hi the answer would be in this Document :)

Download pdf
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Determine the moles of NH3 that can form from 70.0 grams N2.
Darina [25.2K]

Hey there!

5 moles will be produced.

N₂ has a molar mass of 28.014 g/mol.

Convert 70g to mol:

70 ÷ 28.014 = 2.5

In N₂ there are 2 nitrogen atoms. In NH₃ there is 1 nitrogen atom.

So, there will be twice as many moles of NH₃ because every one molecule of N₂ will produce two molecules of NH₃.

2.5 x 2 = 5 moles

Hope this helps!

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3 years ago
What is the difference between a nucleus in Biology and Chemistry?
alina1380 [7]

Answer:

:)

Explanation:

The nucleus in biology is usually referring to that of

living cells found in organisms in which contains DNA whereas the nucleus in chemistry is usually referring to that of atoms in which contains subatomic particles such as the proton and neutron.

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1 year ago
The Great Plains are also referred to as____.
Gnesinka [82]

Answer:

The interior plains

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3 years ago
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What is the difference in mean solar time between 30 N 75 W and 30 N 90 W​
ratelena [41]

Answer:

Every 15 degrees is an hour

Explanation:

What is the time difference in mean solar time between 30° N 75° W and 30° N 90° W?

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3 years ago
draw the lewis structure for CO2, H2CO3, HCO3-, and CO3 2-.Rank these in order of increasing attraction to water molecules. Expl
gavmur [86]

Answer:

The structures are attached in file.

Hydrogen bonding and intermolecular forces is the reason for ranks allotted.

Explanation:

In determining Lewis structure, we calculate the overall number of valence electrons available for bonding.  Making carbon (the least electronegative atom) the central atom in the structure, we allocate valence electrons until each atom has achieved stability.

In order of decreasing affinity to water molecules:

CO_{3}^{2-}  > HCO_{3} ^{2-} > H_{2} CO_{3}

This is due to the fact that the CO_{3}^{2-}will accept protons more readily than the bicarbonate ion, HCO_{3} ^{2-}. Carbonic acid, H_{2} CO_{3} will not accept any more protons, hence it is the least attractive to water molecule, even though soluble.

3 0
3 years ago
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