7.06 equilibrium lab report

Answers

Answer 1

Chemical equilibrium is a dynamic equilibrium whereby the forward and backward reactions are occurring at the same rate.

What is chemical equilibrium?

Chemical equilibrium refers to a situation in which the forward reactions and the backward reactions in a reversible reaction are occurring at the same same same rate.

Factors that affect equilibrium include:

temperature pressure concentration

For a closed reaction system in equilibrium, the equilibrium position of the reaction will adjust to nullify any changes imposed on the system.

Therefore, chemical equilibrium is a dynamic equilibrium.

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Related Questions

What are the elements names for C9H8O4

Answers

C9 is Carbon with 9 atoms
H8 is Hydrogen with 8 atoms
O4 is oxygen with 4 atoms

Which solution would have the highest concentration of [H+] ions?
O a solution with a pH of 8
O a solution with a pH of 12
O a solution with a pH of 10
a solution with a pH of 6

Answers

Ph 8 or ph 6 that’s probably one of those

what is the mass percentage of Li2CO3

Answers

Answer: its supposed to be  18.78%.

Explanation:

What is the pOH of a
2.6 x 10-6 M H+ solution?

Answers

Explanation:

pOH=-log(2.6×10^(-6)

we get around 5.59

(using log)

Write the balanced NET ionic equation for the reaction when ZnI₂ and Pb(ClO₄)₂ are mixed in an aqueous solution.

Answers

Answer:

The total ionic equation is:

3 Na+ + PO4-3 + 3H+ + 3Cl- --> H3PO4 + 3Na+ + 3 Cl-

And the net ionic equation is:

3H+ + PO4-3 --> H3PO4

What does it mean that our solar system is about 25,000 light-years from the center of the Milky Way?(1 point) It took our solar system 25,000 light-years to form. It took our solar system 25,000 light-years to form. It would take about 25,000 years for light to travel from our solar system to the center of the Milky Way. It would take about 25,000 years for light to travel from our solar system to the center of the Milky Way. There are 25,000 stars between our solar system and the center of the Milky Way. There are 25,000 stars between our solar system and the center of the Milky Way. It would take 25,000 years for humans to fly, using a rocket ship, from our solar system to the center of the Milky Way.

Answers

Answer: A light year is a measure of distance, for example, there is a big comet 5 light years away, it takes 5 years for light to get to the comet, and just like the galaxy, it would take 25,000 years for light to reach the center of the galaxy.

How can we increase the surface area of reactants?
add a catalyst
O place them in a flame
dissolve them in water
o add more particles to the solution

Answers

Answer:

O place them in a flame dissolve them in water o add more particles to the solution.

An ideal gas exerts a pressure of 3atm in a 3L container. The container is at a temperature of 298K.

What will be the final pressure if the volume of the container changes to 2L?

Possible Answers:
4.5atm

2atm

4atm

3.5atm​

Answers

Given:

Initial pressure P1 = 3 atm

Initial volume = 3L

Temperature (constant)= 298 K

final volume V2 = 2L

To find:

Final pressure P2 = ?

Solution:

According to Boyle's Law,

P1V1 = P2V2

3×3 = 2 × P2

P2 = 9/2

P2 = 4.5 atm

[tex]{Answer = 4.5 atm}[/tex]

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An alternating current can be described as one in which:

A. Electrons flow in both directions in the circuit.
B. Electrons flow in only one direction in the circuit
C. Electrons move only from the negative terminal of the battery.
D. Electrons move only from the positive terminal of the battery.

Answers

A

Explanation:

electrons flow in both directions

Answer: A I know it but I forgot how to explain it.

Answer this question lol

Answers

A MARK ME AS BRAINLIEST LS

From the reaction: B2H6 + O2 HBO2 + H2O a. What mass of O2 will be needed to burn 36.1 g of B2H6? b. How many moles of water are produced from 19.2 g of B2H6?

Answers

A. The mass of O₂ needed to burn 36.1 g of B₂H₆ is 123.77 g

B. The number of mole of water, H₂O produced from 19.2 g of B₂H₆ is 1.372 mole

Balanced equation

B₂H₆ + 3O₂ —> 2HBO₂ + 2H₂O

Molar mass of B₂H₆ = (2×11) + (1×6) = 28 g/mol

Mass of B₂H₆ from the balanced equation = 1 × 28 = 28 g

Molar mass of O₂ = 2 × 16 = 32 g/mol

Mass of O₂ from the balanced equation = 3 × 32 = 96 g

SUMMARY

From the balanced equation above,

28 g of B₂H₆ required 96 g of O₂

A. How to determine the mass of O₂ needed

From the balanced equation above,

28 g of B₂H₆ required 96 g of O₂

Therefore

36.1 g of B₂H₆ will require = (36.1 × 96) / 28 = 123.77 g of O₂

Thus, 123.77 g of O₂ is required for the reaction

B. How to determine the mole of water produced

We'll begin by calculating the number of mole of in 19.2 g of B₂H₆. This can be obtained as follow:

Mass of B₂H₆ = 19.2 g Molar mass of B₂H₆ = 28 g/mol Mole of B₂H₆ =?

Mole = mass / molar mass

Mole of B₂H₆ = 19.2 / 28

Mole of B₂H₆ = 0.686 mole

Finally, we shall determine the number of mole of water produced. This is illustrated below:

Balanced equation

B₂H₆ + 3O₂ —> 2HBO₂ + 2H₂O

From the balanced equation above

1 mole of B₂H₆ reacted to produce 2 moles of H₂O

Therefore, H₂O

0.686 mole of B₂H₆ will react to produce = 0.686 × 2 = 1.372 mole of H₂O

Thus, 1.372 mole of H₂O was obtained from the reaction

Learn more about stoichiometry:

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Which kind of wave is formed when a transverse wave and a longitudinal wave combine?
A a surface wave
B an electromagnetic wave
C a sound wave
D a radio wave

Answers

The kind of wave that is formed when a transverse wave and a longitudinal wave combine is surface wave.

What is surface wave?

A surface wave is a mechanical type of wave that propagates along the boundary between two different media.

How surface waves form

When a mechanical wave travels at the interface between two media, a transverse wave and a longitudinal wave can combine to form a surface wave.

An example can be seen in ocean waves.

Thus, the kind of wave that is formed when a transverse wave and a longitudinal wave combine is surface wave.

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Hellpp I don’t understand this

Answers

Answer:

Can you repost this but flip it? It’s upside down rn

Explanation:

what is an important role that fish have in our universe?

Answers

Answer:

Answer:Fish play an important role in nutrient cycles because they store a large proportion of ecosystem nutrients in their tissues, transport nutrients farther than other aquatic animals and excrete nutrients in dissolved forms that are readily available to primary producers.

Which statement describes a digital signal?

Answers

Answer:

digital signal

Answer:

Its made of numbers

Explanation:

did the assignment, hope this helps :]

19. For the reaction HCl + NaOH → NaCl + H2O, how many moles of hydrochloric acid are required to
produce 150. g of water?
a. 12.2 mol
b. 4.16 mol
c. 8.32 mol
d. 1.50 mol

Answers

Answer:

c, 8.32 mol

Explanation:

the molecular mass of water is about 18.02, to get the moles of water 150/18.02=8.32 mol, since the coefficients of HCl and H2O are the same, the number of moles would be the same as well

Looking at the figure, the overall (SiO4) molecule, which forms the common mineral quartz, has a tetrahedral shape. It is probably a:
non-polar molecule
polar molecule

Answers

non-polar molecule because the chemical formula is in a tetrahedral form(O4) and the (Si) is in the centre. I hope this will help you

How many grams of aluminum oxide will you need to start with in order to make 6500 g of aluminum hydroxide?

Answers

Answer:

Explanation:

2Al(s) + 3 2 O2(g) → Al2O3(s) And given the stoichiometry ...and EXCESS dioxygen gas...we would get 6.25⋅ mol of alumina. the which represents a mass... ...6.25 ⋅ mol ×101.96 ⋅ g ⋅ mol−1 molar mass of alumina ≡ 637.25 ⋅ g.

Answer:

56.7 grams of aluminum oxide (AI²O³) are produced.Need a fast expert's response.

(07.01 MC)
A potential energy diagram is shown.
200
Potential Energy (kJ)
150
Reactants
100
Products
50
0
Reaction Pathway
What is the activation energy of this reaction? (5 points)
O 50 kJ
100 kJ
O 150 kJ
O 200 kJ

Answers

By subtracting the energy at the highest point of the diagram from the energy of the reactants we obtain the activation energy.

What is a potential energy diagram?

A potential energy diagram is a diagram that shows the energy of the reactants as well as that of the products. Even though the diagram is not shown here but we know that the actvation energy is shown by the energy difference between the highest point on the reaction profile and the energy of the reactants.

Hence, by subtracting the energy at the highest point of the diagram from the energy of the reactants we obtain the activation energy.

Learn more about activation energy: https://brainly.com/question/11334504?  

Answer:

The answer would be 100 kJ

Explanation:

I took the quiz

what is Newton's second law of motion ​

Answers

Answer:

Newton's second law of motion is F = ma, or force is equal to mass times acceleration.

Explanation:

Answer:

F= m x a

force = mass x acceleration

Explanation:

The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased.

What is internal pressure?

Answers

Internal pressure is a measure of how the internal energy of a system changes when it expands or contracts at constant temperature.

9. Using the balanced equation from Question #8, how many grams of lead will be produced if 2.54 grams of PbS is burned with 1.88 g of O2? Express your answer to the correct number of significant figures and you must show all work in the form of dimensional analysis as shown in Lesson 4. (Hint: be sure to work the problem with both PbS and O2).

Answers

Answer: 2.24 grams of Pb

Explanation:

Step 1

Balanced chemical reaction;

2PbS + 3O2 → 2Pb + 2SO3

Step 2

Moles of both PbS and O2

Moles = mass / molar mass

Moles of PbS = 2.54 g / 239.3 g/mol = 0.0108 moles

Moles of O2 = 1.88 / 32 g/mol = 0.0588 moles

Step 3

Finding the limiting reactant.

Limiting reactant, is that reactant which is completely used in the reaction;

If we assume that PbS is the limiting reactant;

We have 0.0588 moles of O2. This needs ( 0.0588 * 2) / 3 = 0.0392 moles of PbS to fully react. But we have only 0.0108 moles of PbS available. That means that the PbS will be completely consumed hence the limiting reactant

If we assume O2 is the limiting reactant;

We have 0.0108 moles of PbS. That needs ( 0.0108 * 3) / 2 = 0.0162 moles of O2. But we have 0.0588 moles of O2 which is in excess further confirming that PbS is the limiting reactant since it will be depleted in the reaction.

Step 4

Moles of lead

For this step we apply the mole ratios with the limiting reactant;

Mole ratio of PbS : Pb = 2 : 2 = 1 : 1

Therefore;

Moles of Pb = (0.0108 moles  * 1 ) 1

Moles of Pb =0.0108 moles

Step 5

Mass of Pb

Mass = moles * molar mass

Mass of Pb =0.0108 moles * 207.2 g/mol

Mass of Pb = 2.24 grams

Which would lower the reaction rate?

A. Increasing the concentration of reactants.

B. Increasing the temperature of the system.

C. Raising the value of k.

D. Decreasing the temperature of the system.

Answers

Answer:

D. Decreasing the temperature of the system

Explanation:

What happens when an electron jumps energy from energy level 3 energy level 6 in an atom

Answers

Explanation:

high energy to Low energy

=the electron gains energy (K.E)

How would I name this?

Provide the correct IUPAC name for the compound shown here.

Answers

The IUPAC name of the compound shown in the image is 4-bromo butyne.

What is IUPAC?

IUPAC is a body in chemistry that stands for International Union of Pure and Applied Chemistry.

IUPAC functions in the naming of organic compounds in chemistry.

According to the image in this question, the functional group of the compound is a triple carbon bond meaning that it is an alkyne.

Bromine is attached to the fourth carbon, hence, the IUPAC name of the compound is 4-bromo butyne.

Learn more about IUPAC at: https://brainly.com/question/1458253

Which of the following microbial growth mediums would be used to sample for fungi bacterial growth in the sterile environment ? a) MacConkey agar b) Trypticase soy agar c) Tryptone glucose extract agar d) Bacteriological agar

Answers

The microbial growth medium that would be used to sample for Fungi bacterial growth in sterile environment is : ( B ) Trypticase soy agar

What is a growth medium ?

A growth medium is a solid or liquid which is designed to support the growth of population such as microorganism through cell proliferation. A growth medium contains nutrients which support the growth of the microorganisms.

A growth medium which will support the growth of both fungi and bacteria growth is a Trypticase soy agar medium.

Hence we can conclude that The microbial growth medium that would be used to sample for Fungi bacterial growth in sterile environment is : Trypticase soy agar

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What is the mass in grams of 5.2 x 1028 atoms of manganese (Mn)?

Answers

The mass, in grams, of 5.2 x 10^28 atoms of manganese would be 0.0006833 grams

Mass calculation

According to Avogadro, 1 mole of any substance contains 6.022 x [tex]10^{23}[/tex] atoms.

Thus, how many moles would be in 5.2 x [tex]10^{28}[/tex]atoms of Mn:

         = 6.022 x [tex]10^{23}[/tex] /1 x 5.2 x [tex]10^{28}[/tex]

                       = 0.00001158 moles

Mass of 0.00001158 moles Mn = 0.00001158 x 54.9

                         = 0.0006833 grams

More on Avogadro's constant can be found here: https://brainly.com/question/21177668

How many kilojoules are required to melt 15 g of ice at 0 degrees C, and raise the temperature of the liquid that forms to 85 degrees C?

Answers

Answer:

10026 joules

Explanation:

its right.

How much energy is needed to completely boil a 5.05g sample of water?

Answers

I don’t know good luck tho i lowkey just need points to ask a question sorry

In Fig C, which pair of electrons is the lone pair?
H:P:H
Fig C
H
O Top
O Left
Bottom
O Right

Answers

Answer:

bottom right top left fig

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