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.
Stacey Warren - Expert brainly.com
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please show the diagram otherwise any answer can be correct
You know, I'm not sure. I'm not good at chemistry at all, so that was just my educated guess.
okay let's look at this graph and step by step
Sounds good. I really need help in Chemistry so I'm all ears in learning this.
@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?
I didn't get anything you drew. Or couldn't pull up what you drew.
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?
Oh yeah I'm using the app. And I think it would be exothermic because it is rising.
Endo is when the chemicals end up at a higher energy state, and exo when they end up at a lower one.
Well I feel dumb. Ha
@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.
Then it is exothermic?
\(\checkmark \) lol
What is that?
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,