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MariettaO [177]
3 years ago
6

What is the smallest part of Substance called?

Chemistry
2 answers:
enot [183]3 years ago
3 0
It is definitely a molecule 
Triss [41]3 years ago
3 0
The answer is a Molecule.
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HELP ASAP PLZ!!!! Find the mass of each substance. Show your work.
Gemiola [76]

Answer:

A. m C5H12 = 108.23 g

B. m F2 = 547.142 g

C. m Ca(CN)2 = 71.85 g

Explanation:

  • mass (m) = mol (n) × molecular weigth (Mw)

∴ Mw C5H12 = ((12.011)(5)) + ((1.008)(12)) = 72.151 g/mol C5H12

∴ Mw F2 = (18.998)(2) = 37.996 g/mol F2

∴ Mw = Ca(CN)2 = 40.078+((12.011+14.007)(2)) = 92.114 g/mol Ca(CN)2

A. m C5H12 = ( 1.50 mol)×(72.151 g/mol) = 108.23 g C5H12

B. m F2 = (14.4 mol)×(37.996 g/mol) = 547.142 g F2

C. m Ca(CN)2 = (0.780 mol)×(92.114 g/mol) = 71.85 g Ca(CN)2

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3 years ago
How much money do you guys make off of this lame website?
MrRissso [65]

Answer:

so far from what i've seen its been 80 mil

Explanation:

the power of GoogIe

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3 years ago
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In 1803, John Dalton proposed an atomic theory. Three critical pieces of this theory included the following:
ValentinkaMS [17]
D. Proton, electron, neutron.
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3 years ago
How many grams of NaOH are produced from 1.20 x 10^2 of Na2O
oksian1 [2.3K]
Write an balance the equation

Na2O + H2O -> 2 NaOH

Calculate the molecular mass of Na2O and NaOH from the atomic mass from the periodic table.

Na = 23
O=16
H=1

Na2O = 23 * 2 + 16 = 62
NaOH = 23+16+1= 40

For the stoichiometry of the reaction one mole of Na2O = 62g produce two mol of NaOH = 2* 40= 80 g

120 g Na2O x 80g NaOH / 62g Na2O=

154.8 g NaOH
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3 years ago
I need all solutions
marshall27 [118]

Answer:

Answer is in the attachment

6 0
3 years ago
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