g For each of the following cases, indicate whether the first entity is greater than, less than or equal to the second entity. W
rite 'G' for greater, 'L' for less and 'E' for equal (The letters must be in uppercase) Enthalpy of combustion of a fuel at STP Enthalpy of combustion of the same fuel at 20°C Enthalpy of formation of methane at STP Enthalpy of formation of methane at 1000 K and 100 kPa Enthalpy of combustion of gas propane with stoichiometric air Enthalpy of combustion of gas propane with 150% theoretical air. Adiabatic Flame Temperature of combustion reaction of liquid butane with equivalence ratio of 1.5 Adiabatic Flame Temperature
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In a perfect world without air resistance, the top of the swing would have the most potential energy, but the least amount of kinetic energy. As the pendulum falls down, it gains more kinetic energy as it travels faster due to gravitational acceleration but loses more potential energy as it loses height. The total amount of energy in the system (the sum of kinetic and potential energy) stays the same.
