Nope, sure don't sesrch it on amazon or something. Maybe youll find one and be able to but it.
Answer:
0.37 %
Explanation:
Given that:
Calculated density of aluminum = 2.69 g/cm³
Accepted density of aluminum = 2.70 g/cm³
![Error\ percentage=\frac {|Accepted\ value-Calculated\ value|}{Accepted\ value}\times 100](https://tex.z-dn.net/?f=Error%5C%20percentage%3D%5Cfrac%20%7B%7CAccepted%5C%20value-Calculated%5C%20value%7C%7D%7BAccepted%5C%20value%7D%5Ctimes%20100)
Thus, applying values as:
![Error\ percentage=\frac {|2.70-2.69|}{2.70}\times 100](https://tex.z-dn.net/?f=Error%5C%20percentage%3D%5Cfrac%20%7B%7C2.70-2.69%7C%7D%7B2.70%7D%5Ctimes%20100)
<u>Percent error = 0.37 %</u>
Since the enthalpy can be calculated from the heat of formation, the enthalpy is 136 kJ/mol.
<h3>What is enthalpy?</h3>
The enthalpy of a reaction is the heat that is lost or gained in that reaction. We know that the enthalpy can be calculated from the heat of formation.
Thus, we can obtain the enthalpy of the reaction as 4 * 34 kJ/mol = 136 kJ/mol.
Learn more about enthalpy:brainly.com/question/13996238
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<span>The particles in a liquid are not stuck in fixed positions, which is why liquids flow to take the shape of a container into which they are placed. Hope this helps :D</span>
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