Calorimetry

Last updated: 05/02/2020
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  1. Current
  2. Review
  3. Answered
  1. What is the definition of calorimetry?

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  2. What is the definition of specific heat capacity?

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  3. What is the calculation for the amount of heat exchange with the surroundings in a reaction?

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  4. What does the symbol ‘Δ’ mean?

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  5. What does the symbol ‘q’ stand for in the equation for the amount of heat exchange with the surroundings in a reaction?

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  6. What does the symbol ‘m’ stand for in the equation for the amount of heat exchange with the surroundings in a reaction?

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  7. What does the symbol ‘c’ stand for in the equation for the amount of heat exchange with the surroundings in a reaction?

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  8. What does the symbol ‘ΔT’ stand for in the equation for the amount of heat exchange with the surroundings in a reaction?

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  9. What is a bomb calorimeter?

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  10. What element does a bomb calorimeter use?

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  11. 0.3 grams of methane is used to heat 345 cm3^3 of water from 5°C to 25°C. Work out the enthalpy change of this reaction. Leave your answer to two decimal places.

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  12. 0.2 grams of ethane is used to heat 100 cm3^3 of water from 10.35°C to 19.6°C. Work out the enthalpy change of this reaction. Leave your answer to two decimal places.

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  13. 0.5 grams of methane is used to heat 150 cm3^3 of water from 12°C to 35.5°C. Work out the enthalpy change of this reaction. Leave your answer to two decimal places.

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  14. 1.5 grams of propane is used to heat 200 cm3^3 of water from 12.5°C to 30.5°C. Work out the enthalpy change of this reaction. Leave your answer to two decimal places.

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  15. 0.06 grams of ethene is used to heat 200 cm3^3 of water from 5°C to 24°C. Work out the enthalpy change of this reaction. Leave your answer to one decimal place.

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  16. 0.25 grams of butane is used to heat 100 cm3^3 of water from 14.5°C to 26.4°C. Work out the enthalpy change of this reaction. Leave your answer to two decimal places.

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  17. 0.05 grams of propane is used to heat 125 cm3^3 of water from 10°C to 25°C. Work out the enthalpy change of this reaction.

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  18. 0.9 grams of butene is used to heat 250cm3cm^3 of water from 10°C to 20°C. Work out the enthalpy change of this reaction. Leave your answer to two decimal places.

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  19. 0.15 grams of propene is used to heat 300 cm3^3 of water from 14°C to 30°C. Work out the enthalpy change of this reaction. Leave your answer to one decimal place.

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  20. 0.78 grams of pentane is used to heat 50 cm3^3 of water from 45°C to 57°C. Work out the enthalpy change of this reaction. Leave your answer to two decimal places.

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