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How much energy moves onto the next level, in an energy pyramid
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Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.
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Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
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CH4 + 2O2=CO2+2H2O. how many moles of O2 will be needed to produce 5.0 moles of CO2 from the correct...
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