Rate of reaction 0.0 / 5 ? ChemistryRate of reactionGCSEAQA Created by: Hanna McCreated on: 30-05-16 18:16 NAME ONE OF THE SLOWEST REACTIONS? RUSTING OF IRON 1 of 10 NAME A MODERATE REACTION RATE? A METAL (LIKE MAGNESIUM) REACTING WITH ACID TO PRODUCE A GENTLE STREAM OF BUBBLES 2 of 10 NAME A REALLY FAST RATE OF REACTION? AN EXPLOSION 3 of 10 NAME 4 (6) THINGS THAT RATE OF REACTION DEPENDS ON? TEMPERATURE, CONCENTRATION (OR PRESSURE FOR GASES), A CATALYST, SA OF SOLIDS (OR SIZE OF SOLID PIECES) 4 of 10 RATE OF REACTIONS= AMOUNT OF REACTANT USED, OR AMOUNT OF PRODUCT FORMED / TIME 5 of 10 WHICH WAYS CAN RATE OF REACTION BE MEASURED? 1) PRECIPITATION, 2)CHANGE IN MASS (USUALLY GAS GIVEN OFF), 3) THE VOLUME OF GAS GIVEN OFF 6 of 10 EXPLAIN THE REACTION OF HYDROCHLORIC ACID AND MARBLE CHIPS: OFTEN USED TO DEMONSTRATE THE EFFECT OF BREAKING UP THE SOLID INTO SMALL BITS. YOU MEASURE THE AMOUNT OF CO2 PRODUCES. 7 of 10 EXPLAIN THE REACTION OF MAGNESIUM METAL WITH DILUTE HCL THE REACTION IS GOOD FOR MEASURING THE EFFECTS OF INCREASED CONCENTRATION. IT GIVES OF H GAS WHICH WE CAN MEASURE USING A MASS BALANCE. 8 of 10 EXPLAIN THE REACTION OF SODIUM THIOSULFATE AND HCL IT PRODUCES A CLOUDY PRECIPITATE (YELLOW) OF SULFUR. CAN BE REPEATED AT DIFFERENT TEMPERATURES. 9 of 10 EXPLAIN THE DECOMPOSITION OF HYDROGEN PEROXIDE. GOOD REACTION FOR SHOWING THE EFFECT OF DIFFERENT CATALYSTS. IT IS USUALLY QUITE SLOQ. 10 of 10
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