Answer:
The oxidation number of sulphur in is +2
Explanation:
<em>S</em><em>2</em><em>O</em><em>3</em><em> </em><em>2</em><em>-</em>
<em>2</em><em> </em><em>(</em><em>S</em><em>)</em><em> </em><em>+</em><em> </em><em>3</em><em>(</em><em>O</em><em>)</em><em>=</em><em>-</em><em>2</em>
<em>2</em><em> </em><em>(</em><em>S</em><em>)</em><em> </em><em>+</em><em> </em><em>3</em><em>(</em><em>-</em><em>2</em><em>)</em><em>=</em><em>-</em><em>2</em>
<em>2</em><em> </em><em>(</em><em>S</em><em>)</em><em> </em><em>+</em><em> </em><em>(</em><em>-</em><em>6</em><em>)</em><em> </em><em>=</em><em>-</em><em>2</em>
<em>2</em><em> </em><em>S</em><em> </em><em>=</em><em> </em><em>+</em><em>4</em>
<em>S</em><em>=</em><em> </em><em>+</em><em /><em>2</em><em />
Answer:

ΔG ≅ 199.91 kJ
Explanation:
Consider the reaction:

temperature = 298.15K
pressure = 22.20 mmHg
From, The standard Thermodynamic Tables; the following data were obtained






The equilibrium constant determined from the partial pressure denoted as
can be expressed as :


= 0.045

where;
R = gas constant = 8.314 × 10⁻³ kJ



199.912952 kJ
ΔG ≅ 199.91 kJ
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➷ It would form magnesium carbonate.
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Answer:
Zn3P2O8
Explanation:
In this particular question, it is necessary to convert the respective masses to percentages. We convert to percentages by placing each mass over the total mass and multiplying by 100%. Since the total is 50mg, conversion to percentage can be done by multiplying the masses by 2 as 100/50 is 2
For Oxygen = 16.58 * 2 = 33.16%
For phosphorus = 8.02 * 2 = 16.04%
For zinc = 25.40 * 2 = 50.80%
We then proceed to divide these percentages by their respective atomic masses. The atomic mass of oxygen, phosphorus and zinc are 16, 31 and 65 respectively.
O = 33.16/16 = 2.0725
P = 16.04/31 = 0.5174
Zn = 50.80/65 = 0.7815
Now, we divide by the smallest value which is that of the phosphorus
O = 2.0725/0.5174 = 4
P = 0.5174/0.5174 = 1
Zn= 0.7815/0.5174 = 1.5
Now, we need to multiply through by 2. This yields: O = 8, P = 2 and Zn = 3
The empirical formula is thus: Zn3P2O8
H20* SOO N34 Thats my answer