topic 6 0.0 / 5 ? ChemistryRate of reactionGCSEEdexcel Created by: bertie321Created on: 17-02-22 17:10 what is rate of reaction it is how fast the reaction happens 1 of 20 rate of reaction= amount of reactant used or amount of product formed/time 2 of 20 what happens in a precipitation reaction the two solutions react together to make the container cloudy 3 of 20 what happens in the change in mass as a gas is released it will make the solution lighter so you can see how much it reacts through how much is lost 4 of 20 what happens when volume is given off as a gas this will involve you measuring the amount of bubbles that is being given of through the reaction 5 of 20 what happens when you have finer particles of solid it will mean the rate is higher as there is a larger surface area 6 of 20 what happens when you have a higher concentration it will mean a higher rate of reaction 7 of 20 how is the reaction rate affected by temperature if you increase the temperature the rate will increase up to a certain point where the rate of reaction will decrease 8 of 20 what gradient will a faster rate have a steeper gradient 9 of 20 what to particles have to do to react they have to collide together 10 of 20 what happens if there are more collisions of particles faster rate of reaction 11 of 20 what does a catalysts do they increase the rate of reaction 12 of 20 what do enzymes do they control the cell reactions 13 of 20 what is a exothermic reaction it is a reaction that gives out energy to the surroundings 14 of 20 what is a endothermic reaction it is a reaction that takes energy from the surroundings 15 of 20 how do you measure if a reaction is exothermic or endothermic you can measure the temperature changes 16 of 20 dissolving ammonium chloride into water endothermic 17 of 20 dissolving calcium chloride into water exothermic 18 of 20 what must be supplied to break bonds energy 19 of 20 overall energy change= energy required to break the bonds - the energy release by forming the bonds 20 of 20
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