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Equal masses of aluminium and lead are warmed by the… | StemPy Lab
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Equal masses of aluminium and lead are warmed by the same number of kelvin. Which needs more heat, and why?
Physics
Medium
High School (11–12)
Heat & Thermodynamics › Kinetic Theory of Gases
NEET
Created by
StemPy Lab
Equal masses of aluminium and lead are warmed by the same number of kelvin. Which needs more heat, and why?
Aluminium, because a kilogram of it has more atoms
Lead, because its atoms are heavier
Both need the same heat, because both have
C
=
3
R
C = 3R
C
=
3
R
Lead, because it has the higher molar mass
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← A workshop warms a tantalum plate. Taking C = 3R for one mole of a solid, and 181 g/mol for tantalum, how much heat does each kilogram of tantalum need for each kelvin? (R = 8.31 J/(mol K))
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Heat & Thermodynamics › Kinetic Theory of Gases
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