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NH3 is kept in a cylinder with a movable piston at the temperature of 25 degree celcius and the pressure of 2.50 atm pressure. if the temperature is increased to 45 degree celcius then determine what is the pressure in the cylinder (and the piston is raised so that the volume occupied by the gas is doubled)
A solution is prepared by dissolving 179 g sucrose (C12H22O11) in enough water to produce 1.15 L solution. What is the molarity of this solution?
Describe in detail a way of preparing 500 ml of solution that is 0.02500 M in sodium ions. Start with solid sodium sulfate decahydrate.
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity as 0.030 M CaSO4 at 20,000 units?
F the volume of ocean water (calculated above) contains 3.3 percent sodium chloride ("salt") by mass and the density of the water is 1.76 g/mL, calculate the total mass of sodium chloride. (1 ton = 2000 lb, 1 lb = 453.6 g)
the decomposition of N2O5 in carbon tetrachloride proceeds as follows: 2 N2O5 -> 4 NO2 + O2. The rate law is first order in N2O5. At 64 degree celcius the rate constant is 4.82 x 10^ 3 s ^ -1.
explain why cis-1-chloro-4-t-butylcyclohexane reacts rapidly with sodium ethoxide while the trans-isomer react slowly
what is the aluminum ion, Al3+, concentration if the cell potential is 0.447 V and the manganese (II) ion concentration is 0.10 M?
If the outer electron in a Sn- ion is removed by absorbing a photon of visible light having an energy of 4.829E-19 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron?
the meta and para forms of phenylene diamine are used in the production of Kevlar and Nomex, respectively. Why is a corresponding material with similar properties not made from ortho-phynelene diamine
Assuming no heat loss to surrounding, write down the energy balance equation for the system and find out change in internal energy and final temperature.
How would the following modifications of the experimental procedure used in this experiment affect the mass of the precipitate collected? Indicate whether the mass would be greater than, unchanges, or less than that obtained. Briefly explain the a..
There are two isomeric alkenes that would produce 1-iodo-1-methylcyclohexane on treatment with HI. One is more reactive than the other
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