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Approximate the boiling point of mercury at a pressure of 1.00 bar. Presume that the enthalpy as well as entropy of vaporization is temperature-independent. Utilize thermodynamic data.
NH3(Ammonia ) is widely used in many household cleaners and as a fertilizer. Calculate How much ammonia (in units of mol) is produced when 7.8 mol of H gas react with an excess of N gas.
Calculate the de Broglie wavelength of a Helium atom moving at a speed of 244.0 m/s.
If you place a drop of cyclohexane onto a drop of water that is located on a glass surface, what would happen to the hexane and the water
125 mL of H2O is initially at room temperature(22°C). A chilled steel rod at 2°C is placed in the water.If the final temperature of the system is 21.3°C, what is themass of the steel bar
Is there any time when doing an electron configuration for positive or negative transition metal ions where the electrons will be taken out of the s orbital before the d orbital is empty
A certain reaction with an activation energy of 185kj/mol was run at 455k and again at 475 . What is the ratio of f at the higher temperature of f at lower temperature? one significant figure
A mixture of 0.146 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO?
In one episode of the 1960s television sitcom, Gilligan's Island, the famous professor constructed voltaic cells to use as substitues for their radio's dead batteries.
label the layers after an extraction. Describe a fast method for determining which layer is your organic phase.
We could find out more information about ths reaction by studying the temperature dependence of the rate constant, k. These same experiments could be carried out at a lower temperature (ice bath) and a second rate constant, k2 could be determined ..
Ethanol is a common laboratory solvent and has a density of 0.789 g/mL
The reaction 2NO ? N2 + O2, has a rate constant of 3.6 x 10^-2 M^-1 s^-1. When [NO]= 2.8 x 10^-3 M, what is the rate of change in M.s^-1 for N2?
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