Here the first measurement appears to have been taken with an instrument measuring up to metre and the second measurement appears to have been taken with an instrument measuring up to decimeter . So second measurement is most precise .

Third measurement is closest to the actual measurement that is 45.0 m , so it is most accurate measurement .

6 0

3 years ago

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Andrei [34K]

Answer:

10460J

Explanation:

Given parameters:

Mass of water sample = 100g

Initial temperature = 35°C

Final temperature = 60°C

Unknown:

Amount of energy absorbed by water = ?

Solution:

The amount of energy absorbed by water is mathematically expressed below;

H = m C ΔT

H is the amount of energy

m is the mass

C is the specific heat capacity of water = 4.184J/g°C

ΔT = 60°C - 35°C = 25°C

Now insert the parameters and solve;

H = 100 x 4.184 x 25 = 10460J

8 0

3 years ago