Answer:
The electronic structures of pentacene/MoO3/Al and pentacene/Al were studied using in situ photoemission spectroscopy. The secondary electron cutoffs, highest occupied molecular orbitals (HOMOs) and core level changes were measured upon deposition of the pentacene and MoO3 to study the electronic structures at the interface.
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Neutralization is a chemical reaction when an acid and a base react with each other in regards of the quantity of each.
It would be (1) magnesium.
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The number of moles of O atoms in 8.18 g of Ba(NO₃)₂ is 0.364 mol.
<h3>What is moles?</h3>
"The mole is a SI unit of measurement that is used to calculate the quantity of any substance." It is denoted by mol.
Given that the mass of Ba(NO₃)₂ is 8.18 g
n = m/M
n = moles = ? mol Ba(NO₃)₂
m = mass(g) = 8.18 gram(NO3)2
The molar mass of Ba(NO₃)₂ is 261. 35g/mol.
As given, the moles of oxygen atom in Ba(NO₃)₂ is 6.
So, the moles of oxygen in 8.18 gram will be
Putting the value in the formula:
0.0607 mol Mg(NO3)2 × 6 mol O atoms/mol Mg(NO3)2 = 0.364 mol O atoms to three significant figures.
Thus, the number of moles of O atoms is 0.364 mol.
To learn more about moles, refer to the link:
brainly.com/question/4220551
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