Chemistry 0.0 / 5 ? Chemistryc3GCSEOCR Created by: joduffyCreated on: 01-06-15 12:54 The time taken between a reaction starting and stopping reaction-time 1 of 28 what measures amount of product formed in a period of time? rate-of-reaction 2 of 28 ____ is a measure of how much solute is dissolved in a solvent concentration 3 of 28 To increase rate of reaction, __ reactant is used instead powdered 4 of 28 This changes the rate of reaction without itself changing catalyst 5 of 28 mass of a unit of that substance compared to the mass of a carbon atom relative-formula-mass 6 of 28 the principle that total mass is the same before and after the reaction conservation-of-mass 7 of 28 beginning with f__, a reason why percentage yield is always below 100% filtration 8 of 28 Use processess with a high ___ to reduce waste atom-economy 9 of 28 a reaction which transfers energy to the surroundings exothermic 10 of 28 a reaction which takes in energy during the reaction endothermic 11 of 28 example of endothermic reaction electrolysis 12 of 28 example of an exothermic reaction fireworks 13 of 28 method used to measure energy transfer in chemical reactions calorimetry 14 of 28 apart from mass of heated water and temperature change, what is the other number to work out energy transfer 4.2 15 of 28 high value chemicals needed in small batches soeciality-chemicals 16 of 28 chemicals needed in large amounts bulk 17 of 28 how are bulk chemicals made? continuous-processes 18 of 28 what is insoluble in water and doesn't conduct electricity diamonds 19 of 28 what is slippery and has a high melting point graphite 20 of 28 diamond and graphite are both____ allotropes-of-carbon 21 of 28 different forms of the same element in the same physical state allotropes-of-carbon 22 of 28 what joins carbon atoms in diamond and graphite covalent-bonds 23 of 28 ____ has a layered structure in which each carbon atom is joined to three others graphite 24 of 28 ___ is a substance in which each carbon atom is joined to four othersr diamond 25 of 28 electrons which are free to move delocalised 26 of 28 ____ are fullerene molecules that are joined together nanotube 27 of 28 each molecule of this has 60 carbon atoms and forms a hollow sphere buckminster-fullerene 28 of 28
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