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Icebergs in the North Atlantic present hazards to shipping, causing the length of shipping routes to increase by about 30 percent during the iceberg season. Attempts to destroy icebergs include planting explosives, bombing, torpedoing, shelling, ramming, and painting with lampblack. Suppose that direct melting of the iceberg, by placing heat sources in the ice, is tried. How much heat is required to melt 8 percent of a 1.30×105 metric-ton iceberg? One metric ton is equal to 103 kg. Assume that the iceberg is at 0°C. (Note: To appreciate the magnitude of this energy, compare your answer to the Hiroshima atomic bomb which had an energy equivalent to about 15,000 tons of TNT, representing an energy of about 6.0×1013 J.)
The boiling point of another member of this homologous series was found to be 309 . What is the likely molecular formula for this compound
Calculate delta Grxn(in KJ) for the following reaction at 298K: 2H2(g)+CO(g)=CH3OH(g) given that delta H=-90.7 Kj and delta S=-221.5 J/K for this process.
A 2.0 kettle contains 116 grams of boiler scale (CaCO3). How many times would the kettle have to completely be filled with distilled water to remove all deposits at 25 degree celcius
a 25 ml sample of .147 m propionic acid hc3h5o2 is titrated with .104 m koh solution. the equivelence point is reached
write balanced molecular ionic and net ionic equations for the reactions of chromium gives cr3 with solution of dilute
translate the following word equations into unbalanced chemical equations and explain how the equations represent what
H2(g) + F2(g) 2HF(g) H = -542 kJ How many grams of H2(g) would have to react to produce 197 kJ of energy?
what are the variables dependent independent and control in this experiment?ca2h2o-----gtcaoh2h2changing the
how many carbons does the sample contain
Reaction of 2.042g zinc with 2.005g iodine produces 2.510g zinc iodide, leaving 1.518g of unreacted zinc. According to these data, is the law of mass conservation verified within 1% error?
Discuss the differences observed in the IR and NMR spectra of 3-nitrophthal-hydrazide and luminol that are consistent with reduction of the nitro function to an amino group in this experiment.
A solution of 2.00 g of para-dichlorobenzene (a clothes moth repellent) in 50.0 g of cyclohexane freezes at 1.05 degrees Celsius. What is the molar mass of this substance?
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