Answer :
The energy density of wood is 14 MMBtu/ton. We can say that one ton of wood contains an energy equivalent of 14 Million British Thermal Units.
To determine the energy density of wood in MMBtu (Million British Thermal Units) per ton, we need to convert the given energy density from Btu per pound to Btu per ton and then convert it to MMBtu.
1 ton = 2000 pounds.
Energy density (Btu/ton) = Energy density (Btu/lb) × 2000 lb/ton
= 7000 Btu/lb × 2000 lb/ton
= 14 × 10⁶ Btu/ton
We can convert the energy density from Btu/ton to MMBtu/ton by dividing by 1 × 10⁶.
Energy density (MMBtu/ton) = Energy density (Btu/ton) / 1,000,000
= 14 × 10⁶ Btu/ton / 1 × 10⁶
= 14 MMBtu/ton
Therefore, The energy density of wood is 14 MMBtu/ton:
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