camillaafloress camillaafloress
  • 23-10-2020
  • Physics
contestada

24kg of sand at 35.0c to 27.0c. Calculate how much heat is given off express your answer in joules

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felixkings
felixkings felixkings
  • 24-10-2020

Answer:

[tex]Q \: = \: 1.96kj.[/tex]

Explanation:

[tex]Q = mc ΔT[/tex]

[tex]given: \\ m \: = 24kg \\ c \: = \:0.290 \: J/(K kg). \\ ΔT = 35 - 27 = 8(8 + 273) = 281k[/tex]

[tex]Q \: = 24 \times 0.29 \times 281 \: = 1,955.76j \\ i.e \: Q \: = \: 1.96kj.[/tex]

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