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11 Cards in this Set
- Front
- Back
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What is endothermic? |
A reaction that takes in heat from the surroundings |
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What is exothermic? |
A reaction which gives out heat to the surroundings |
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List 2 endothermic reactions |
●ice melting ●making anhydrous salt from a hydrated salt |
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List 2 exothermic reactions |
●compustion ●rusting |
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What is thermal decomposition? |
The breaking down of a substance by heating |
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What happens when you heat a metal carbonate? Give equation |
The heat takes out CO2 and the mass decreases Metal ➡️ metal ➕ carbon Carbonate oxide dioxide |
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What happens when you heat hydrated copper sulphate? |
The heat takes out the water and the mass decreases |
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What happens when you add water to anhydrous copper sulfate? |
The water adds mass to the compound |
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Give the equation for when you heat a metal carbonate |
Metal carbonate➡️ metal oxide ➕carbon dioxide |
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Give the equation for when you heat hydrated copper sulfate? |
Hydrated copper sulfate➡️ water ➕anhydrous copper sulfate |
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Give the equation for what happens when you add water to anhydrous copper sulfate? |
Anhydrous copper sulfate ➕water ➡️ hydrated copper sulfate |
