subject
Physics, 12.03.2020 21:57 lkelsey

Consider the potential energy diagram shown below. This graph shows the chemical potential energy in a reaction system over time. The y-axis is potential energy in kilojoules. The x-axis is the reaction progress, or time. Does this graph represent an endothermic or an exothermic reaction? Explain your answer. Exothermic What is the enthalpy change, ΔH, for this reaction? Show your work. What is the activation energy, Ea, for this reaction? Show your work. In a particular chemical reaction, the energy of the reactants is 30 kJ and the energy of the products is 5 kJ. The maximum energy of the system is 40 kJ. Sketch a potential energy diagram for this reaction. Make sure to label the energy of the reactants, the energy of the products, the activation energy, and the enthalpy change for the reaction. What is the activation energy for this reaction? What is the enthalpy change for this reaction? Is this reaction endothermic or exothermic? Explain your answer in two ways: first, using the energy values, and second, by referring to the shape of the graph. The coating on the head of a match is highly flammable. When it burns, it releases a great deal of energy. However, before the match can burn, it must gain a small amount of energy from a spark. That spark is typically produced by striking (rubbing) the match head against a rough surface. Sketch and describe a potential energy diagram that represents the striking and burning of the match. Remember to label the diagram with the energy changes that occur. Your answer must include the potential energy diagram and a written description. (Note: you do not have to use actual energy values.)

ansver
Answers: 3

Other questions on the subject: Physics

image
Physics, 22.06.2019 02:20, shadoris26
According to newton’s first law of motion, which force is expected to cause a body to accelerate?
Answers: 1
image
Physics, 22.06.2019 05:00, kia9174
The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes
Answers: 3
image
Physics, 22.06.2019 09:00, Fvmousdj5
Asystematic approach to problem solving is called a (an)
Answers: 1
image
Physics, 22.06.2019 13:10, andreanaapollon7593
Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o
Answers: 1
You know the right answer?
Consider the potential energy diagram shown below. This graph shows the chemical potential energy in...

Questions in other subjects:

Konu
English, 18.10.2020 14:01
Konu
Business, 18.10.2020 14:01
Konu
Mathematics, 18.10.2020 14:01