Thermal decomposition of 5.0 metric tons of limestone to lime and carbon dioxide absorbs 9.0X10⁶ kJ of heat. Convert this energy to (b) calories;
In thermodynamics, heat is energy in switch to or from a thermodynamic system, by mechanisms aside from thermodynamic work or transfer of matter (e.g. conduction, radiation, and friction).
1 Cal = 4.18 J ≈ 4.2J OR 1J = [tex]\frac{1}{4.2}[/tex] Cal
Q = 9.0 × [tex]10^{6}[/tex] KJ
Q = 9.0 × [tex]10^{6}[/tex] × [tex]10^{3}[/tex] J
Q = 9.0 × [tex]10^{9}[/tex] J
Q = 9 × [tex]10^{9}[/tex] × [tex]\frac{1}{4.2}[/tex] Cal
Q = 214.257 × [tex]10^{7}[/tex] Cal
Q = 2.14 × [tex]10^{6}[/tex] k Cal
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