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ivolga24 [154]
3 years ago
14

What is the atom formula for (NaPO3)6 ?

Chemistry
2 answers:
padilas [110]3 years ago
5 0

Answer:The formula for Sodium Hexametaphosphate is (NaPO3)6. It is a gathering of sodium polyphosphate polymers based on repeating NaPO3 units. It is a water ...

Chemical Formula‎: ‎Na6P6O18

Explanation:

Mrrafil [7]3 years ago
3 0

Answer:

Sodium Hexametaphosphate i

Explanation:

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Calculate ΔH⁰298 (in kJ) for the process P(s) + 5/2 Cl2(g) → PCl5(g) from the following information.
Viefleur [7K]

Answer:

\Delta H_{298}^{0} for the process is -375 kJ

Explanation:

  • Given reaction is a combination of the two given elementary steps.
  • Summation of change in standard enthalpy (\Delta H_{298}^{0})of the two elementary reactions give \Delta H_{298}^{0} of the reaction P(s)+\frac{5}{2}Cl_{2}(g)\rightarrow PCl_{5}(g).

P(s)+\frac{3}{2}Cl_{2}(g)\rightarrow PCl_{3}(g)......\Delta H_{1}=-287kJ

PCl_{3}(g)+Cl_{2}(g)\rightarrow PCl_{5}(g)......\Delta H_{2}=-88kJ

-----------------------------------------------------------------------------------------------------

P(s)+\frac{5}{2}Cl_{2}(g)\rightarrow PCl_{5}(g)

\Delta H_{298}^{0} = \Delta H_{1}+\Delta H_{2}=-287kJ-88kJ=-375kJ

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4 years ago
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Answer: 90 degrees.

Explanation:

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3 years ago
A student adds 5400.0mL of 0.15M NaOH to 201.2mL of 4.0M NaOH. What is the final [NaOH]?
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Answer:

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Explanation:

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0.15 M • 5.4000 L = 0.81 mol NaOH

4.0 M • 0.2012 L = 0.80 mol NaOH

Add the mol of NaOH together to get the total --> 0.81 + 0.80 = 1.61 mol NaOH

Divide by the total volume of solution (5400.0 mL + 201.2 mL = 5,601.2 mL = 5.6012 L)

1.61 mol / 5.6012 L = 0.287 M NaOH

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