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topjm [15]
3 years ago
5

1. What is the vapor pressure of ethanol at 50 °C.

Chemistry
1 answer:
Vera_Pavlovna [14]3 years ago
7 0
The vapor pressure of propanone is 56 degrees Celsius.
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Answer:

me too? HAHAHHAHAHAHAHAHAHAHAHHA

6 0
3 years ago
List the following bonds in order of increasing polarity (ionic character). Give the electronegativity values for each atom to j
barxatty [35]

Answer:

A = B < D < C

C - S

Cl - Cl

F ← H

Si → O

Explanation:

The polarity of a bond increases with the increase in the difference in electronegativity. The dipole moment is represented with an arrow pointing the more electronegative atom.

A: carbon-sulfur

C - S

ΔEN = |EN(C) - EN(S)| = |2.5 - 2.5| = 0

B: chlorine - chlorine

Cl - Cl

ΔEN = |EN(Cl) - EN(Cl)| = |3.0 - 3.0| = 0

C: fluorine – hydrogen

F ← H

ΔEN = |EN(F) - EN(H)| = |4.0 - 2.1| = 1.9

D: silicon - oxygen

Si → O

ΔEN = |EN(Si) - EN(O)| = |1.8 - 3.5| = 1.7

The order of increasing polarity is A = B < D < C.

4 0
3 years ago
Which formula equation represents the burning of sulfur to produce sulfur dioxide?
Dmitriy789 [7]

Answer:

option A = S(s) + O₂(g)   →   SO₂ (s)

Explanation:

Chemical equation:

S(s) + O₂(g)   →   SO₂ (s)

when sulfur burned in the presence of oxygen it produce sulfur dioxide. The sulfur dioxide can further react with oxygen to produce sulfur trioxide and then react with water to form sulfuric acid.

Uses of sulfur dioxde:

It is used as a solvent and reagent in laboratory.

Sulfur dioxide is used to produce sulfuric acid.

It is used as a disinfectant

It is also used as a reducing agent.

It is used to preserve the dry food.

7 0
4 years ago
If the copper cube had a mass of 28.7 grams and a volume of 3.2 mL, what would its density be?
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Answer:

ρ=m÷v

 =28.7÷3.2

 ≈8.97 g/m³

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3 years ago
Nitrogen gas is more abundant and I miss her than oxygen however nicer than to be converted into different forms to be used by m
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Answer:

who lives in Barclays what?? this makes no sense

Explanation

8 0
3 years ago
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