anonymous
  • anonymous
Using the following diagram, determine which of the statements below is true: A. The energy of the combined reactants is higher than that of the combined products. B. The energy of the combined products is higher than that of the combined reactants. C. The activation energy required for the forward reaction is higher than that required for the reverse reaction. D. The activation energy required for the forward and reverse reactions is the same.
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Cuanchi
  • Cuanchi
please show the diagram otherwise any answer can be correct
anonymous
  • anonymous
I put an attachment up
Photon336
  • Photon336
First of all what do you think it is?

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More answers

aaronq
  • aaronq
there's no attachment
anonymous
  • anonymous
I think it's C
anonymous
  • anonymous
And I tried putting another attachment, but it won't let me.
Photon336
  • Photon336
@kristianatime hmm could you post it in the reply
anonymous
  • anonymous
Attachment of problem
1 Attachment
anonymous
  • anonymous
Did that work?
Photon336
  • Photon336
great let's look a this
anonymous
  • anonymous
You know, I'm not sure. I'm not good at chemistry at all, so that was just my educated guess.
Photon336
  • Photon336
okay let's look at this graph and step by step
anonymous
  • anonymous
Sounds good. I really need help in Chemistry so I'm all ears in learning this.
Photon336
  • Photon336
|dw:1443491118578:dw|
Photon336
  • Photon336
@kristinatime that arrow i drew is the activation energy for the forward reaction, let me ask you something is this reaction endothermic or exothermic and how do you know?
anonymous
  • anonymous
I didn't get anything you drew. Or couldn't pull up what you drew.
Photon336
  • Photon336
it's basically the same picture you had. if you're using the phone app you may not be able to see it. well from the figure you posted is that an exothermic or endothermic reaction and why?
anonymous
  • anonymous
Oh yeah I'm using the app. And I think it would be exothermic because it is rising.
aaronq
  • aaronq
Endo is when the chemicals end up at a higher energy state, and exo when they end up at a lower one.
anonymous
  • anonymous
Well I feel dumb. Ha
Photon336
  • Photon336
@kristinatime, look at where the energy for A+B and C+D if C+D is higher than A+B then it's endo, if it's lower than A+B it's exothermic.
anonymous
  • anonymous
Then it is exothermic?
aaronq
  • aaronq
\(\checkmark \) lol
anonymous
  • anonymous
What is that?
Photon336
  • Photon336
@kristinatime for the figure you posted A+B are at 40 KJ while C+D are at 20Kj the enthalpy is equal to products - reactants and 20-40KJ = -20kj SO this is negative exothermic reaction this number means that energy was released from the reaction,
anonymous
  • anonymous
Ohhhh okay I'm understanding it better now.

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