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Examen

Biology AQA A level questions + answers - Exchange, energy transfers + response
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10

mayo 2024

2023/2024

A+
A 2g sample of biomass was fully combusted in a calorimeter. The volume of water in the calorimeter was 100cm^3. The increase in temperature recorded was 15.7oC. 4.18J of energy are needed to increase the temperature of 1cm^3 of water by 1oC. Use this information to calculate the heat energy released in KJ per g of biomass. Show your working. (2 marks) - correct answears100cm^3/1000 = 0.1kg 0.1x4.18x15.7= 6.56/2= 3.28KJ/g A scientist calculated the surface area of a large number of frog...
WORLDLIGHT
$10.99 Más información

Examen

Biology AQA A level questions + answers - Exchange, energy transfers + response
-

-

-

10

mayo 2024

2023/2024

A+
A 2g sample of biomass was fully combusted in a calorimeter. The volume of water in the calorimeter was 100cm^3. The increase in temperature recorded was 15.7oC. 4.18J of energy are needed to increase the temperature of 1cm^3 of water by 1oC. Use this information to calculate the heat energy released in KJ per g of biomass. Show your working. (2 marks) - correct answears100cm^3/1000 = 0.1kg 0.1x4.18x15.7= 6.56/2= 3.28KJ/g A scientist calculated the surface area of a large number of frog...
FUTURELEADER
$10.99 Más información

Lote

AQA A Level Biology paper 1,2 and 3 June 2023 Question paper and Mark scheme
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6

abril 2024
AQA A Level Biology paper 1,2 and 3 June 2023 Question paper and Mark scheme
vinnz
$80.99 Más información

Lote

AQA AS Level Biology paper 1 and 2 June 2023 Question paper and Mark scheme
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1

4

abril 2024
AQA AS Level Biology paper 1 and 2 June 2023 Question paper and Mark scheme
vinnz
$60.99 Más información