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Lou Lubowitz

Dec 02, 2024

A 6.55 g sample of aniline (C₆H₅NH₂), molar mass = 93.13 g/mol) was combusted in a bomb calorimeter with a heat capacity of

A 6.55 g sample of aniline (C₆H₅NH₂) with a molar mass of 93.13 g/mol was combusted in a bomb calorimeter that has a heat capacity of 14.25 kJ/°C. The initial temperature of the calorimeter was 32.9°C. Using the information provided, please determine the final temperature of the calorimeter after the combustion.

3 Answers

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Anonymous

Jan 23, 2025

The heat of combustion in bomb calorimeter problems isgenerally calculated by the following formula H = -C TExplanation:
A
Anonymous

Jan 23, 2025

Bromine has atomic number  35  which means there are  35 protons  and  44  neutrons to give a total of 79 nucleons. the fact that it's a positive ion means that it has lost an electron; so there'll be  34 electrons. 
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Anonymous

Feb 15, 2025

Moles of co₂ = 2.35/44 = 0.0534 mole.from ideal gas equation pv=nrt,  t = 18+273k = 291 kelvin.∴px5 = 0.0534x0.0821x291∴p = 0.0534x0.0821x291/5 = 0.2551 atm.now, 1 atm = 760 mm of hg  ∴ 0.02551 atm = 0.02551 x 760 = 19.38 mm of hg

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