Mass of water (g) x Specific heat capacity of water (4.2) x Temperature change (C)
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Card 38
Front
Energy change
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Card 39
Front
In exothermic reactions the /_\H is -ve so the line for products is lower than the line for reactants, the difference in height is energy given out in the reaction/mole, the initial rise is the activation energy, opposite is true for endothermic
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Card 40
Front
Represents the minimum energy needed to break bonds between particles, lowered by catalysts
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Card 41
Front
An electrical cell that's supplied with a fuel and oxygen and uses energy from the reaction to generate electricity
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Card 42
Front
Lithium Crimson, Sodium Yellow, Potassium Lilac, Calcium Red, Barium Green
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Card 43
Front
Acid + Carbonate --> Salt + Water + Carbon Dioxide
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Card 44
Front
Chloride --> White precip of AgCl, Bromide --> Cream precip of AgBr, Iodide --> Yellow percip of AgI
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Card 45
Front
Add dilute HCl, then barium chloride solution, if the test is positive a white precip will form
