Answer: $16
with the base being $6, you can write the equation 6 + .5x = y
“x” is represented by the number of songs downloaded, so we can replace x with 20
y is the total amount of money
6 + .5(20) = y
now, all you have to do is solve
6 + 10 = y
16 = y
The energy of the reaction is 9 kJ/mol and the reaction is endothermic.
<h3>What is the total energy of the reaction?</h3>
We know that in a reaction, there could be loss or gain of energy. If there is a loss of energy in a reaction, it means that the reaction is exothermic and heat is given out. If heat is gained in the reaction, it means that the reaction is endothermic and heat is absorbed.
Given that;
Energy of the products = 590 kJ/mol
Energy of the reactants = 581 kJ/mol
Using;
Energy of products - Energy of reactants
= 590 kJ/mol - 581 kJ/mol
= 9 kJ/mol
Learn more about energy of reaction:brainly.com/question/2223923
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Hey There!
Vertical line graphs never represent a function.
Due to this rule, we could eliminate all of the answer choices as it is suggesting the graph is a function.
The only choice which does not suggest the graph is a function is D, is D, if we look further into the answer choice we also see that it displays correct information.
Therefore, the correct answer would only be D.
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The first chain is 5 because 17-13 equals 4 and 9-4 equals 5 so that's the answer
