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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *
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Given the chemical equation, predict the ΔSsystem for the change. C12H22O11 (s) C12H22O11 (aq) posit...
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