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Concern has been expressed that warming of the atmosphere, resulting from industrial pollution, could cause the polar ice caps to melt. If the polar ice caps of the earth were to melt and the water returned to the oceans, the oceans would be made deeper by about 47.2 m. This will affect the earth's rotation. Make an estimate of the resulting change in the length of the day, assuming that all of the earth's surface is covered with oceans. Assume that the earth (excluding the polar ice caps) is a uniform sphere with a mass of 5.98 x 1024 kg and a radius of 6.37 x 106 m. In addition, assume that the polar ice caps do not contribute to the rotational inertia of the earth since they are located very close to the rotation axis. Water has a density of 1.000 g/cm3.
A 1.53L sample of a gas is at a pressure of 5.6 x 103Pa. If the pressure is changed to 65 mmHg, what will be the new volume of the gas
Diamonds are measured in carats, where 1 carat=0.200 g. The density of diamond is 3.51 g/cm^3. What is the volume of a 2.50-carat diamond
If 5.02 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
In a distil Jation process 550 lbm/h of a benzene, toluene, and water mixture is fed to the distiller. This feed contains 2.0(101 )% toluene.
Problem- Why is it important to have methods like Gabriel synthesis, reduction of nitriles, reduction of amides and reductive amination to make specific primary, secondary and tertiary amines. Why can't we simply use Sn2 reactions to make these co..
Distilled water in the same tube gave a reading of +0.016 degrees. Calculate the specific rotation for the compound.
the final step of the purification process in the miniscale procedure involves a simple distillation.
Question- Indicate the function groups, wave number and peak intensity for acetic acid infrared spectral analysis.
The temperature of a 15g sample of lead metal increases from 22oC to 37oC upon the addition of 29.0 J of heat. The specific heat capactiy of the lead is jg*K
Problem- The rate constant for the chemical reaction below doubles from 22.5 C to 27.47 C. Determine the activation energy of the reaction. Assume the pre-exponential factor is independent of temperature.
Calculate the mass of propylene glycol (C3H8O2) that must be added to 500. grams of water to reduce the vapor pressure by 4.75 mmHg at 40.0 °C.
Question- Calculate, using the approach of statistical thermodynamics, the translational entropy of 3.5 kg of ideal carbon monoxide gas in equilibrium state at t= 30 C and P = 1 bar.
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