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IrinaK [193]
3 years ago
10

Using your understanding about the patterns between vaporization and condensation, explain why the boiling point and the condens

ation point are the same temp
Chemistry
1 answer:
eimsori [14]3 years ago
7 0

Answer:

Vaporization and Condensation When a liquid vaporizes in a closed container, gas molecules cannot escape. As these gas phase molecules move randomly about, they will occasionally collide with the surface of the condensed phase, and in some cases, these collisions will result in the molecules re-entering the condensed phase.

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The heat released by one mole of sugar from a bomb calorimeter experiment is 5648 kJ/mol. The balanced chemical reaction equatio
Bogdan [553]

Answer:

The answer to your question is the letter C) 5648 kJ/mol

Explanation:

Data

                C₁₂H₂₂O₁₁  +  12 O₂  ⇒   12 CO₂  +  11 H₂O

H° C₁₂H₂₂O₁₁ = -2221.8 kJ/mol

H° O₂ = 0 kJ / mol

H° CO₂ = -393.5 kJ/mol

H° H₂O = -285.8 kJ/mol

Formula

ΔH° = ∑H° products - ∑H° reactants

Substitution

ΔH° = 12(-393.5) + 11(-285.8) - (-2221.8) - (0)

ΔH° = -4722 - 3143.8 + 2221.8

Result

ΔH° = -5644 kJ/mol

6 0
3 years ago
How many atoms are present in 65.39 g of zinc?
klio [65]
<span>Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles.

 65.39 g Zn ( 1 mol / 65.38 g ) ( </span>6.022 x 10^23 atoms / 1 mol ) = 6.023x10^23 atoms Zn
3 0
3 years ago
In comparison to an atom of F-19 in the ground state, an atom of C-12 in the ground state has(1) three fewer neutrons
mel-nik [20]
(2) three fewer valence electrons is your answer.
6 0
3 years ago
Pharmacy technician measures the mass of a pill. The mass of one pill is
Galina-37 [17]
The mass of 100 pills would be 78000 mg and 0.078 kilograms.

Hope this helps you :)
8 0
3 years ago
Read 2 more answers
Can someone please help me and don’t answer if you don’t know the answer please<br> thank you :)
o-na [289]
Combustion means the burning of something. So in the given question, you could say, “In this question, combustion means the burning of methane”.
8 0
3 years ago
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