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The pecific heat capacitie of aluminium, iron, ethanol and water are given. Ubtance pecific heat capacity J / kg °C
aluminium 900
iron 450
ethanol 2400
water 4200
1 kg of each metal i put into 5 kg of each liquid. The tarting temperature of each metal i 60 °C. The tarting temperature of each liquid i 10 °C. Which example ha the highet final temperature?
A aluminium ethanol
B iron ethanol
C aluminium water
D iron water
MARK SCHEME an: A
but why?
Sagot :
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