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If two vessels are labeled A and B. Vessel A contains NH3 gas at 87*C and vessel B contains Ne gas at the same temperature. If the average kinetic energy of NH3 is 7.1x10-21 J/molecule at 70*C compute the root-mean-square speed of Ne atoms in m/s.
Show reasonable function group test to distinguish between the following compounds and write down their characteristic observation. A) 2-butanol and t-butyl alcohol
NaOH + CO2 - >Na2CO3 + H2O. If the average human body discharges 716 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft? Answer in units of mol.
Ksp for MgCO3 at 25C is 2.0x10^-8. What are the molar concentrations in a saturated solution at this temperature
a 1.728g sample of pbcd alloy was dissolved in acid and diluted to exactly 500ml. titration of a 25.00ml aliquot at a
How much energy (in kilojoules) is released when 15.9g of steam at 129.5C is condensed to give liquid water at 68.5C? The heat of vaporization of liquid water is 40.67 KJ/mol , and the molar heat capacity is 75.3 J/(Kmol) for the liquid and 33.6 J..
A zero-order reaction has a constant rate of 1.00×10-4 . If after 80.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration.
Heptane (C7H16) and octane (C8H18) are constituents of gasoline. At 80.0 ?C, the vapor pressure of heptane is 428 mmHg and the vapor pressure of octane is 175 mmHg.
Electromagnetic radiation with a wavelength of 665 nm appears as orange light to the human eye. The energy of one photon of this light
defined lead free paint as having less than 75mg of lead per 125mg of paint. How many parts per million of lead is this?
Hydrogen bonding does not make a significantly large contribution to the overall stability of the DNA molecule. Explain
The reaction OH(aq) + HCN(aq) H2O(l) + CN(aq) is first-order in both the OH and HCN concentrations.
Im really confused about spectroscopy and need an introduction on what it is and what these types of problems mean.
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