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Elden [556K]
3 years ago
6

(8x-1) (3x + 4) (3x + 9)

Chemistry
2 answers:
Vikentia [17]3 years ago
4 0

Answer:

72x^3 + 303x^2 + 249x−36

Explanation:

Please mark Brainliest!

Mnenie [13.5K]3 years ago
3 0

Answer: -9x^2 -31x -36               I hope this helped!      ~GalaxyGamingKitty      Can I have Brainliest if it is right?

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Answer:

The change in enthaply when 10.0 g of nitrogen triiodide decomposes is -3.67 kJ.

Explanation:

2NI_3 (s)\rightarrow N_2 (g)+3 I_2 (g), \Delta H_{rxn} =-290.0 kJ

Enthalpy of the reaction when 2 moles of nitrogen triiodide decomposed =\Delta H_{rxn}

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Enthalpy of the reaction when 1 moles of nitrogen triiodide decomposed :

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Moles of nitrogen triiodide = \frac{10.0 g}{395 g/mol}=0.02532 mol

Change in enthaply when 0.02532 moles of nitrogen triiodide decomposed:

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