7358
We conclude that redox processes at the solid - gas interface are actually similar to the analogous processes at the solid - liquid interface described by conventional electrochemical theory ; the departures are mainly due to the mass transport processes that dominate in the gas phase .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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