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Usimov [2.4K]
3 years ago
11

How do I figure out how to solve the table ?

Chemistry
2 answers:
Aleks [24]3 years ago
6 0
We need a photo..   sorry we cant help withour it
nataly862011 [7]3 years ago
3 0
You have to add a photo to we can understand - Yuno Gasai
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Help me pls Idk the answers
gayaneshka [121]
I’m very sorry but I don’t know how to answer that question.
5 0
3 years ago
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[15 Points, Stoichiometry and Gases]
KiRa [710]

The reaction is

CaC₂(s) + 2H₂O (l) -----> Ca(OH)₂ (s) + C₂H₂ (g) ​

As we have data of gas ethyne (or acetylene), C₂H₂

We can calculate the moles of acetylene and from this we can estimate the mass of calcium carbide taken

the moles of acetylene will be calculated using ideal gas equation

PV =nRT

R = gas constant = 0.0821 Latm/molK

T = 385 K

V = volume = 550 L

P = Pressure = 1.25 atm

n = moles = ?

n = PV /RT = 1.25 X 550 / 0.0821 X 385 = 21.75 mol

As per balanced equation these moles of acetylene will be obtained from same moles of calcium carbide

moles of calcium carbide = 21.75mol

molar mass of CaC₂ = 40 + 24 = 64

mass of CaC₂ = moles X molar mass = 21.75 X 64 = 1392g

6 0
3 years ago
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What's the answer to equation Ba+Br2=
Andrej [43]

Answer:

BaBr2, Barium Bromide

Explanation:

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3 years ago
Which half-reaction can occur at the anode in a
alexira [117]
The answer is (3). The reaction that can occur at the anode is oxidation reaction which will lose electrons. So (1) and (2) are not correct. For (4) Fe3+ can not lose electrons again.
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3 years ago
Diferencias entre una glucosa,fructosa y galactosa
Alex17521 [72]

Answer:

La glucosa y la galactosa son estereoisómeros (tienen átomos unidos en el mismo orden, pero dispuestos de forma diferente en el espacio). ... La fructosa es un isómero estructural de glucosa y galactosa (tiene los mismos átomos, pero unidos en un orden diferente).

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