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Kisachek [45]
3 years ago
11

Consider the words or phrases below and drop them in the bucket that you would most associate with the word or phrase in the the

rmodynamic context. In cases where you think they could go in two buckets, consider (even write down) what conditions are necessary for each condition. Thermo is all about the conditions...
Group the following words into
1. non equilibrium,
2 equilibrium phase cahnge, and
3. equilibrium reaction.
Heat of vaporization
saturated solution
mass movement
unsaturated solution
condensation
heat of fusion
vapor pressure
normal boiling poin
Ksp
solubility
Ka
Chemistry
1 answer:
Dimas [21]3 years ago
7 0

Answer:

1) non equilibrium

mass movement

unsaturated solution

2)equilibrium phase change

Heat of vaporization

condensation

heat of fusion

normal boiling point

vapor pressure

3) equilibrium reaction

saturated solution

Ksp

solubility

Ka

Explanation:

Nonequilibrium processes are those processes that are irreversible. They often lead to an increase in entropy of the system.

In chemical systems, a state of equilibrium is said to have been attained when the rate of the forward process equals the rate of the reverse process. This is true for both chemical reaction and phase changes. A state of equilibrium connotes a constancy in physical properties of a system over a period of time.

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2. Consider the following reaction: 4 FeS2 + 11O2 → 2 Fe2O3 + 8 SO2
belka [17]
<h3>Answer:</h3>

Oxygen gas (O₂) is the rate limiting reactant and FeS₂ is the excess reactant.

<h3>Explanation:</h3>

From the questions we are given;

4FeS₂(s) + 11O₂(g) → 2Fe₂O₃(s) + 8SO₂(s)

  • Moles of FeS₂ are 26.62 moles
  • Moles of Oxygen, O₂ are 59.44 moles

We are supposed to determine the limiting and excess reactants;

  • From the equation of the reaction given; 4 moles of FeS₂ required 11 moles of Oxygen gas.

Working with the amount of reactants given;

  • 26.62 moles of FeS₂ will require 73.205 moles of O₂ and only 59.44 moles of O₂ are available.
  • On the other hand 59.44 moles of O₂ requires 21.615 moles of  FeS₂, and we are given 26.62 moles of FeS₂ which means FeS₂ is in excess.

Conclusion;

We can conclude that Oxygen gas (O₂) is the rate limiting reactant and FeS₂ is the excess reactant.

6 0
3 years ago
What must you determine first when solving a word rproblem?
SashulF [63]
Words that includes names, places, geometric shapes and finally units of measure.
 
3 0
3 years ago
If a lab requires each a lab group (3 students) to have 25 ml of a solution and it takes 15 grams of AgNO₃ cuprous nitrate, to m
pochemuha

Answer:

0.375 grams are needed to make 25 mL solution.

Explanation:

Mass of AgNO_3 cuprous nitrate required to make 1 l of solution = 15 g.

1 L = 1000 mL

Mass of AgNO_3 cuprous nitrate required to make 1000 mL of solution = 15 g

Mass of AgNO_3 cuprous nitrate required to make 1 mL of solution:

=\frac{15}{1000} g

Mass of AgNO_3 cuprous nitrate required to make 25 mL of solution:

=\frac{15}{1000} \times 25 g=0.375 g

0.375 grams are needed to make 25 mL solution.

4 0
3 years ago
Aluminum oxide is an ionic substance with formula al2o3. explain what this formula means.
matrenka [14]

Answer:

the 2 means there are 2 al and the 3 means there are 3 o

Explanation:

I hope this helps

6 0
3 years ago
For many years after they were discovered, it was believed that the noble gases could not form compounds. Now we know that belie
Gala2k [10]

Answer:We are already given with the mass of the Xe and it is 5.08 g. We can calculate for the mass of the fluorine in the compound by subtracting the mass of xenon from the mass of the compound.

 mass of Xenon (Xe) = 5.08 g

 mass of Fluorine (F) = 9.49 g - 5.08 g = 4.41 g

Determine the number of moles of each of the element in the compound. 

   moles of Xenon (Xe) = (5.08 g)(1 mol Xe / 131.29 g of Xe) = 0.0387 mols of Xe

  moles of Fluorine (F) = (4.41 g)(1 mol F/ 19 g of F) = 0.232 mols of F

The empirical formula is therefore,

     Xe(0.0387)F(0.232)

Dividing the numerical coefficient by the lesser number.

    XeF₆

Explanation:

6 0
3 years ago
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