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Questions related from Abdul Hakim Hatta
I have a CeO2-based catalyst. After adding 1% of Ni, the XRD peak for CeO2 decreases. But then, when I add 5%, 10%, and 15%, the peak increases. But all the peaks are still lower than the bare...
05 February 2023 557 4 View
Can hydrogen reduce all metal oxides in a heated environment? As far as I know, metal oxide such as NiO can be reduced. But is it the same as other metals? Especially metals oxide that I used,...
04 August 2022 4,808 9 View
Some of the examples of exothermic reactions: Making of an Ice Cube, Burning of a Candle, Rusting of Iron, Burning of Sugar, Reaction of Strong Acid and Water, Water and Calcium Chloride,...
04 May 2022 4,930 4 View
As far as I know, the TGA results should show decreases in weight but my spent catalyst (Ni/ZrO2-SiO2) weight increased. I know weight gain should only happen if the samples react with the...
25 November 2021 7,517 4 View
