A student made a sketch of a potential energy diagram to represent an endothermic reaction.

A curve line graph is shown. The y axis of the graph has the title Potential Energy and kJ written in parenthesis. The x axis of the graph has the title Reaction Pathway. The curve begins at a higher level and ends at a slightly lower level. A broken horizontal line is shown from a point labelled X on the y axis to the point where the curve begins. Another broken horizontal line is shown from a point labeled Y on the y axis to the point where the curve ends.

Explain, using complete sentences, why the diagram made by the student is correct or incorrect. Be sure to also explain what the values of X and Y represent

Answers

Answer 1

The description of the potential energy diagram created by the student aligns with the characteristics of an endothermic reaction, illustrating the energy changes and activation energies involved.

What is endothermic reaction?

The curve line starting at a higher level and ending at a slightly lower level indicates the change in potential energy during the course of the reaction. In an endothermic reaction, the products have higher potential energy than the reactants.

The curve correctly depicts this energy change, as the reaction progresses from higher potential energy (reactants) to a slightly lower potential energy (products).

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A Student Made A Sketch Of A Potential Energy Diagram To Represent An Endothermic Reaction.A Curve Line

Related Questions

In preparing 2.50 L of 0.125 M H₂SO, solution from 18.0 M H₂SO, how much H₂O would be required?

Answers

Answer: 2.48 L of water is required.

Explanation:

We will use the formula relating concentration and volume:

[tex]M_1V_1 = M_2V_2[/tex]

From the given information, we have:

[tex](18.0 \text{ M})(x) = (0.125 \text{ M})(2.50 \text{ L})[/tex]

then, [tex]x = 0.0174 \text{ L}[/tex]. This represents the amount of stock solution required.

To find the amount of water, we simply subtract the amount of stock solution from the total volume of 2.50 L:

[tex]V_\text{H2O} = 2.50 \text{ L} - 0.0174 \text{ L} = 2.48 \text{ L}[/tex]

True or false? Increasing the force will increase the moment.

Answers

The statement "increasing the force will increase the moment" is true.

This is because the moment is a measure of the turning effect of a force on an object about a pivot point. It is defined as the product of the force and the perpendicular distance between the force and the pivot point. The unit of moment is the newton-meter (Nm) or the joule (J).When a force is applied to an object, it will produce a moment about the pivot point if the force is not acting along the same line as the pivot point. The magnitude of the moment depends on the force applied and the distance of the force from the pivot point. As the force increases, the moment also increases, provided that the distance from the pivot point remains constant. Conversely, if the force remains constant, but the distance from the pivot point increases, the moment also increases. This is because the perpendicular distance is directly proportional to the moment, meaning that a longer distance results in a larger moment.Therefore, it can be concluded that increasing the force applied to an object will increase the moment produced about a pivot point.

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PLEASE HURRY
50 POINTS !!!!

Select the correct compound.
Reactants undergo chemical reaction to form products.
This chemical equation represents one such reaction.
The coefficient for one of the reactants or products is incorrect.
Which part of the chemical equation is incorrect?

2C₂H₁0+ 100₂

8CO₂+ 10H₂O

Answers

The incorrect part of the chemical equation is the coefficient for the oxygen gas reactant.

The chemical equation you provided is incorrect in terms of the stoichiometric coefficients. The correct coefficients for the balanced equation should be:

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

Therefore, the incorrect part of the equation you provided is:

2 C2H10 (should be C2H6) + 10 O2 → 8 CO2 + 10 H2O

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