Thursday
July 31, 2014

Posts by pius


Total # Posts: 3

combustion
The heat of formation of gaseous octane (C8H18(g)) is -49.79 kcal/mole. (a) Calculate the energy required to form one mole of gaseous octane, (b) Estimate the heat of formation of gaseous octane, and (c) compare your estimation with the actual enthalpy of formation of the gase...

Physics
A fisherman's scale stretches 2.5cm when a 2.1kg fish hangs from it. What is the spring constant andwhat will be the frequency of vibration if the fish is pulled down and released so that it vibrates up and down?

Physics
A spring vibrates at 8Hz,when a mass of 0.82kg is hung from it.What is the spring constant?

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