Reações ácido-base: conceito, representação e generalização a partir das energias envolvidas nas transformações

Pastre, Iêda Aparecida; Plicas, Lídia Maria de Almeida; Tiera, Vera Aparecida de Oliveira; Custódio, Juliana Vieira; Agostinho, Sílvia Maria Leite

doi:10.1590/s0100-40422012001000031

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2024

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Cited by 3 publications

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“…Os resultados obtidos determinaram um valor médio de entalpia de neutralização de -58,34 ±1,96 kJ mol -1 , apresentando um erro -2,5 kJ mol -1 em relação ao valor teórico, de -55,84 kJ mol -1 [8], e semelhante aos apresentados em outros estudos [7,12]. Tabela 2.…”

Section: Início Da Reaçãounclassified

Aplicação da Termografia por Infravermelho para Titulações Termométricas

Costa¹,

Cruz²,

Alessio³

et al. 2015

Orbital: Electron. J. Chem.

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The aim of this study was to demonstrate the potential of the use the infrared thermography for monitoring chemical reactions. In this study a camera in the infrared was used to temperature monitoring in neutralization reactions, presenting satisfactory results to thermometric titration and determination the heat (enthalpy) of neutralization. Besides of temperature results, the camera produces a record of all the procedure used, which can be extracted thermal images for further analysis.

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Section: Início Da Reaçãounclassified

Aplicação da Termografia por Infravermelho para Titulações Termométricas

Costa¹,

Cruz²,

Alessio³

et al. 2015

Orbital: Electron. J. Chem.

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Advances in stress-tolerance elements for microbial cell factories

Kuang,

Yan,

Yuan

et al. 2024

Synthetic and Systems Biotechnology

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Unexpected Discovery: A Guided-Inquiry Experiment on the Reaction Kinetics of Zinc with Sulfuric Acid

2018

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The role of practical work in the training of student teachers is central to the development of their future pedagogy and practice. However, not all laboratory based activities give sufficient challenge in the development of both cognitive and practical skills. The activity proposed in this paper helps reinforce an understanding of reaction kinetics through a study of the reaction of zinc with sulfuric acid. In this study, the observed reaction kinetics conflicted with the typical expectation, which offered a problem to motivate an inquirybased activity.

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Reações ácido-base: conceito, representação e generalização a partir das energias envolvidas nas transformações

Cited by 3 publications

References 1 publication

Aplicação da Termografia por Infravermelho para Titulações Termométricas

Aplicação da Termografia por Infravermelho para Titulações Termométricas

Advances in stress-tolerance elements for microbial cell factories

Unexpected Discovery: A Guided-Inquiry Experiment on the Reaction Kinetics of Zinc with Sulfuric Acid

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