Sulfur has two filled energy levels and six electrons on the third energy level. The corresponding electron configuration is A.
B is incorrect because there are no p orbitals at the first energy level, ie, no 1p orbitals. C is incorrect because the 4s1 electron would spontaneously drop into the 3p orbitals. D is incorrect because the 3d electrons would spontaneously drop into the 3p orbitals.
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Answer:</h3>
7.502 kilo calories
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Explanation:</h3>
<u>We are given;</u>
- Quantity of heat, Q as 31.39 kJ
We are required to convert it to kilo calories
First, we convert it to Joules
1 kJ = 1000 J
Therefore;
31.39 kJ will be equivalent to 31390 Joules
Second we convert Joules to calories using a suitable conversion factor
The suitable conversion factor is 4.184 J/Cal
Thus;
31390 Joules will be equivalent to;
= 31390 J ÷ 4.184 J/Cal
= 7502.39 Cal
Third, we convert calories to kilo calories
1 kCal = 1000 cal
Therefore;
7502. 39 Cal will be equivalent to;
= 7502.39 ÷ 1000
= 7.50239
=7.502 kilo calories
Hence, 31.39 kJ will correspond to 7.502 kilo calories
