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Tema [17]
3 years ago
12

For this assignment, you will create your own potential energy diagrams for each of the three chemical reactions. Then you will

analyze the data and your diagrams for each reaction.
To assist you, use the enthalpy values in the data chart for each generic reaction provided. Be sure to following the summary of steps below.
Illustrate the x- and y-axes to show the reaction pathway and potential energy, in kilojoules. Ensure your energy intervals are appropriate for the data.
Plot the enthalpy values of the reactants, products, and transition state using three horizontal dotted lines across the graph for each.
Draw the energy curve from the reactants line to the transition state and curve the line back down to the energy of the products. Label the reactants, products, and transition state.
Illustrate double-headed arrows to represent both the total change in enthalpy (ΔH) and the activation energy (Ea).
Calculate the total change in enthalpy and the activation energy using the energy values provided for each reaction. Record those values below the graph.
Make sure correct units are included.

Chemistry
1 answer:
Masja [62]3 years ago
5 0

Answer:

Check the explanation

Explanation:

1. Check the first attached image for the  Synthesis reaction

2. Check the second attached image for the Single replacement reaction

3. Check the third attached image for the Double displacement reaction

                                                        Activation energy       Enthalpy change

Synthesis reaction                                          45 KJ          +35 KJ

Single replacement reaction                           20KJ            -35 KJ

Double replacement                                       65 KJ        +50KJ

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What is a huge organic molecule composed of many smaller molecules called?
photoshop1234 [79]

Answer:

Macromolecules. A very large organic molecule composed of many smaller molecules, 1)Carbohydrates, 2)proteins, 3)lipids, 4)nucleic acids. Three of the four classes of macromolecules that are polymers. 1.Carbohydrates.

7 0
3 years ago
Place the following compounds in order of increasing vapor pressure. rubbing alcohol
adelina 88 [10]

Vapor pressure is the pressure which is exerted by the vapors of a liquid in equilibrium with the liquid. Vapor pressure depends on the boiling point; lower the boiling point higher will be the vapor pressure.

Based on the given compounds:

rubbing alcohol is polar and has the strongest intermolecular force of attraction followed by relatively polar ether and finally the non-polar propane.

The increasing order of boiling point will be:

propane < diethyl ether < rubbing alcohol

Thus, the increasing order of vapor pressure will be:

rubbing alcohol < diethyl ether < propane

Ans : F


7 0
3 years ago
Acetic acid and water react to from hydronium cation and acetate anion, like this: HCH3CO2 (aq) + H2O (I) → H3O+(aq) + Ch3CO2-(a
Roman55 [17]

Answer:

1) Greater than zero, and equal to the rate of the reverse reaction

2) Greater than zero, but less than the rate of the reverse reaction

3) Greater than zero, and equal to the rate of the reverse reaction

Explanation:

A reaction system is said to be in equilibrium when the rate of forward reaction is equal to the rate of reverse reaction.

Before we remove HCH3CO2 from the system, the system was in equilibrium. Recall that when a system is in equilibrium, the rate of forward reaction is equal to the rate of reverse reaction. The rate of reaction is greater than zero because products are being formed as the reactants interact with each other.

When HCH3CO2 is removed from the system, the equilibrium position shifts towards the left hand side hence the rate of reverse reaction is greater than the rate of forward reaction.

When the system attains equilibrium again, the rates of forward and reverse reaction become equal.

8 0
2 years ago
5. A 25 ml graduated cylinder has a volume of water of 10 ml, when a glass marble is place in the
IceJOKER [234]

Answer:

The volume of the marble is 10 mL.

Explanation:

From the question given above, the following data were obtained:

Volume of water = 10 mL

Rise in water = 10 mL

Volume of marble =.?

From the question given above, the water level rise by 10 mL when a glass marble was placed into the water.

This is equally the volume of the marble as the marble will displace it's volume when placed in the water according to Archimedes' principle.

Therefore,

Rise in water = 10 mL = volume of marble.

4 0
3 years ago
In which range of electronegativity differences would polar covalent bonds occur?(1 point)
Setler [38]

Answer: 1. (0.5 to 1)

              2. (Fluorine)

              3. (KNO3

              4. (Polar covalent bonds share electrons unequally, while nonpolar covalent bonds share electrons equally.)

              5. (Fe and S have a covalent bond, and S and O have covalent bonds, too.)

Explanation:

Ye, have great day.

8 0
2 years ago
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