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zmey [24]
2 years ago
7

Does anyone know what the formula would be for Rhenium V Biphosphate?

Chemistry
1 answer:
Georgia [21]2 years ago
8 0

Answer:Re3(PO4)2 I think I'm wrong

Explanation:

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3 years ago
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serious [3.7K]
The deltaHrxn = -243 kJ/mol the deltaHrxn of CH4(methane) = -802 kJ/mol 

The fuel that yields more energy per mole is METHANE. The negative sign merely signifies the release of energy. Thus, 802 kJ/mol is greater than 243 kJ/mol.

The fuel that yields more energy per gram is HYDROGEN. Here is the computation:
deltaHrxn = (-243 kJ/mol)(1 mol/2.016 g H2)  <span>= -120.535714286 kJ/g or -121 kJ/g

</span>deltaHrxn of CH4(methane) = (-802 kJ/mol)(1 mol/16.04 g) 
<span>= -50 kJ/g 
</span>
As discussed the negative sign serves as the symbol of released energy. Thus, 121 is greater than 50.
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kozerog [31]

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