SHSLSupremeLeader
SHSLSupremeLeader SHSLSupremeLeader
  • 16-04-2021
  • Chemistry
contestada

How many kilojoules are needed to convert 77.5 grams of ice at -8.00°C to water at 95.0°C?


Ahh, Thank you!!! ( ;-;)​

Respuesta :

mnaj020112 mnaj020112
  • 16-04-2021
q=mcθ
m= 0.0775 kg
c= 4184 J·kg−1·K−1.
θ= T(final) - T(initial), 95-(-8)

Q=33398.78 J so kJ divide 1000

= 33.39878 kJ
Answer Link

Otras preguntas

how many times does 12 go in to 48
What multiplies to make -10 and adds to make 11?
Draw counters in the ten-frame to show each number
Which Russian territorial possession lay farthest from the center of power in St. Petersburg? (A) Alaska (B) Finland (C) Crimea (D) Siberia (E) Poland
How does the browser display the same webpage whether you enter the URL or the IP address in the address bar? What system translate this?
how did Mesopotamia cope with a lack of resources
Relate structure to function in two specialised eukaryotic cells
what happens to particles in diffusion ?
How did life in Cordoba show mix of cultures
A wheel of radius 30 cm is rotating at a rate of 2.0 revolutions every 0.080 s. (A) through what angle, in radians, does the wheel rotate in 1.0 s? (B) what is