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A hurricane is simply a steam engine which draws much of its destructive power from the evaporation and condensation of water. The heat of condensation of water is -2257 kJ/kg. It is not uncommon for a hurricane to be 300 miles (482.8 km) across, with cloud heights of about 14 km. Assuming that the entire volume of the resultant cylinder (V = pr2h) was water, how much energy is released when the equivalent mass of water condenses from the vapor state into the liquid state? Assume that the density of sea water was 1027 kg/m3.
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water. MnO4-(aq) + H2C2O4(aq) ? Mn2+(aq) + CO2(g)
how much heat is required to convert 20.0 of ethanol at 23 to the vapor phase at 78 ? ethanol boils at 78. its density
The quality of a two-phase liquid-vapor mixture of H2O at 40Oc with a specific volume of 10m3/Kg is
a sample of nitrogen gas is collected over water at a temperature of 20 degrees celcius and a pressure of 1.00 atm. the
One of the highest concentrations of peroxyacyl nitrates has been found in the Los Angeles (LA) basin at 30 ppb, reaching its peak at mid-afternoon. Most of the pollution in the LA basin is created in an area of only 3000 km^2
The decomposition of N2O5 is a first-order reaction: N2O5 ? 2NO2 + ½ O2. At 25 °C, it takes 5.2 h for the concentration to drop from 0.120 M to 0.060 M. Calculate the rate constant for the decomposition of N2O5.
Consider equimolar samples of different ideal gases at the same volume and temperature. Gas A has a higher molar mass than gas B.
What is the average molar mass (in g/mol)? What is the relative standard deviation(RSD) in parts per thousand (ppt)? Report your answer to the correct number of significant figures.
1. a coordination compound is formed from rutheniumii chlorideand ammonia. what is the correct formula for this
How many grams of Oxygen gas are required if It is desired to inflate a baggie with 842 milliliters volume by filling it with O2 gas at 1.21 atm pressure and a 306 K.temperature ?
Consider the following reaction: HC2H3O2 (aq) + H2O (l) = H3O+ (aq) + C2H3O2- (aq) Kc=1.8*10^-5 at 25C If a solution initially contains 0.260M HC2H3O2, what is the equilibrium concentration of H3O+ at 25C
question what is the molar concentration of sodium ions in a solution in which 75.02 g of sodium sulfate and 102.75 g
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