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What are the general methods for preparation of cycloalkane?
A mixture of helium as well as neon gases at 243 K contains three times the number of helium atoms as neon atoms. The concentration (n/V) of the mixture is determined to be 0.150 mol/L. Presume ideal behavior what is the partial pressure of helium
Derive the activation energy for a reaction that proceeds 2 times faster when the temperature is raised from 20 C to 30 C.
A one mole sample of a monatomic perfect gas with a constant pressure heat capacity of 20.85 J/Kmol is initially at a pressure of 3.25 bar at 200K. It undergoes an adiabatic reversible expansion until its pressure is 1.52 bar.
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V.
A foundry worker throws a hot, freshly cast piece of iron into 10 liters (10 kg) of water to cool off. The initial temperature of the water is 25 degree celcius and the initial temperature of the iron is 100 degree celsius.
These two solutions will be added together into a beaker to create one solution. Adding them together cause them to dilute each other. Calculated the new molarity of HX. Give your answer to four decimal places.
55.00 mL of solution of ammonia NH3 (FM 17.031) is titrated with 10.73 mL of 0.0939 M HCl according to the equation: NH3 + H+ ----> NH4+ Find the concentration of NH3 in g/L?
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite by mass.What is the molarity of this solution.
calculate the work done when 65.0 g of tin dissolves in excess acid at 1.00 bar and 23degc. assume ideal gas
The solid and toluene together weigh 51.05 g. The density of toluene at the temperature of the experiment is 0.864 g/mL. What is the density of the solid
question a glycine buffer is prepared by mixing 100 ml of 1.0m glycine ph 6.0 with 100 ml of 0.5m naoh and 300 ml of
The compound ZnI4 is best described as anions in a face-centered cubic unit cell with the cations in the tetrahedral holes. What is the density of this compound?
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