More cards in this set

Card 6

Front

25cm^3 of dilute nitric acid is added to 25cm^3 of potassium hydroxide solution in a polystyrene cup. A temperature rise of 12 degrees C is recorded. What is the energy change?

Back

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Card 7

Front

When 50cm^3 of sulphuric acid was added to 100cm^3 of sodium hydroxide in a polystyrene cup the temperature increased y 12 degrees C. What is the energy change?

Back

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Card 8

Front

What do we assume when a solid is added to water or to an aqueous solution?

Back

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Card 9

Front

How can energy transfer that takes place during neutralisation and displacement reactions be calculated?

Back

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Card 10

Front

When 5.6g of iron filings reacted completely with 200cm^3 of copper(II) sulphate solution the temperature of the solution increased by 17 degrees C. What is the energy change in kJ/mol of iron. (Relative atomic mass of Fe = 56)?

Back

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