Answer:
The order in which the orbitals is filled is 1s-2s-2p-3s-3p-4s-3d-4p-5s-4d-5p-6s-4f-5d-6p-7s-5f-6d-7p
Explanation:
S orbitals each hold two electrons, p orbitals hold 6, d orbitals hold 10, and f orbitals hold 14. 1s has the least energy and 7 p has the greatest energy, so the order in which they are filled is listed above.
<span>Pros of Natural Gas:
</span><span>1. Produces Less Soot
</span><span>2. Abundant Supply
</span><span>3. Infrastructure in Place
</span>
<span>Cons of Natural Gas:
</span><span>1. Highly Inflammable
</span><span>2. Greenhouse Gas Emissions
</span>3. <span>Non-Sustainable:
</span>
Hope that helps! *if you need more let me know*
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Answer:
ΔH = 41.7 kj
Given data:
Mass of ethanol = 50 g
Heat required to vaporize = ?
Boiling point of ethanol = 78.3°C
Molar heat of vaporization = 38.6 kj/mol
Solution:
First of all we will calculate the number of moles.
Number of moles = mass / molar mass
Number of moles = 50 g/ 46.07 g/mol
Number of moles = 1.08 mol
ΔH = 38.6 kj/mol ×1.08 mol
ΔH = 41.7 kj
Explanation: