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expeople1 [14]
3 years ago
14

Why is subatomic particles not made up of atoms

Chemistry
1 answer:
OLEGan [10]3 years ago
7 0
Because subatomic particles ARE what make up atoms.
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A compound with a molar mass of 100.0 g/lol has an elemental composition of 24.0% C, 3.0% H, 16.0% O and 57.0%F. What is the mol
ch4aika [34]

If I made no mistake in calculation, the given answer must be correct...(tried my best)



elements   :                        carbon     hydrogen    oxygen       Fluorine

 composition [C]                     24             3                16                57

M r                                          12             1                16                19

(divide C by Mr)                       2               3                 1                  3


(Divide by smallest value)       2                3                  1                  3

(smallest value = 1...so all value remained constant)

Empirical formula : C2H3OF3


if molar mas = 100 g per mole, then

first step calculate Mr. of empirical formula:  [= 100]


Them molecular formula = empirical formula

    
7 0
3 years ago
Which state of matter undergoes changes in volume most easily
dusya [7]
The matter of changes in volume is gas
5 0
3 years ago
EASY QUICK CHEM QUESTION!! Which line indicates a higher reaction rate?
ad-work [718]
2. B because it has a lower activation energy.

idk because you have no picture with the lines on it

3 0
3 years ago
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What volume would 2.25 moles of Ne gas occupy at STP?
Dafna1 [17]
As we know that one mole of any Ideal gas at standard temperature and pressure occupies exactly 22.4 dm³ volume.

Solution for problem:

When 1 mole Neon (Ne) occupies 22.4 dm³ at STP then the volume occupied by 2.25 moles of Neon is calculated as,

                                             = ( 22.4 dm³ × 2.25 moles ) ÷ 1 mole
                
                                             = 50.4 dm³                   1dm³ = 1 L

Result:

So
, 50.4 dm³ (Liter) volume will be occupied by 2.25 moles of Neon gas if it acts ideally at STP.
8 0
2 years ago
A star's mass determines the —
kvasek [131]
It’s either A or C sorry I can’t help more
6 0
3 years ago
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