Tasks on the topic 5 8. From the proposed list of substances, select the substances between which a redox reaction is po

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Tasks On The Topic 5 8 From The Proposed List Of Substances Select The Substances Between Which A Redox Reaction Is Po 1 (55.83 KiB) Viewed 53 times

Tasks on the topic 5 8. From the proposed list of substances, select the substances between which a redox reaction is possible, and write down the equation of this reaction. Make an electronic balance, specify the oxidizer and reducing agent. Substances: 4) hydrogen sulfide, carbon dioxide, manganese acid, calcium carbonate, water: 5) potassium dichromate, sodium sulfite, potassium nitrate, barium nitrate, ammonia. It is permissible to use aqueous solutions of substances; 6) iron (III) chloride, copper, barium nitrate, sulfuric acid, acetic acid. It is permissible to use aqueous solutions of substances, 7) phosphorus (III) oxide, nitric acid, lead (II) nitrate, sodium sulfate, sodium nitrate. It is permissible to use aqueous solutions of substances; 8) manganese acid, sulfur (IV) oxide, sodium carbonate, hydrogen chloride, potassium chloride. It is permissible to use aqueous solutions of substances; 9) potassium permanganate, hydrogen chloride, rubidium hydroxide, ammonium chloride. It is permissible to use aqueous solutions of substances; 10) phosphorus, perchloric acid, sodium sulfate, barium chloride, potassium chloride. It is permissible to use aqueous solutions of substances. 15. The thermochemical equation is given: 2KCIO; = 2KCI+ 30, +90 kJ The reaction produced 36 kJ of heat. How many grams of potassium chlorate has decomposed? + 16. The thermochemical equation is given: 2AgNO; - 2Ag + NO + 02 - 315 kJ The reaction absorbed 35 kJ of heat. How many grams of silver was formed? 18. Based on the heat of formation of gaseous carbon dioxide AH,95** - 393,5 kJ/mol and the thermochemical equation Csaphite) + 2N2O = CO pas) + 2Natashi AH =-557,5 kJ calculate the heat of formation of N) 19. The thermal effect of the reaction SOx) + 2HS) - 3Solid + 2H:Oliquit) is equal to - 234,50 kJ. Determine the standard heat (enthalpy) of HS, if: