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A mixture of Ne and Cl2 in a flask at 33.0C exerts a pressure of 1957 torr. All of the Cl2 is removed and the pressure is now 1203 torr ( T remains constant). The Cl2 removed occupies a 10.0 L container at .500 atm at 25C. How many g of Ne are present in the original container?
A mass of 46 g of solid sodium reacts with 38 g of flourine gas to produce 84 g of sodium flouride, Na F.
How many milliliters of boiling water are required to dissolve 24 g of N-Bromosuccinimide? If the solution were cooled to 25° C, how many grams of N-Bromosuccinimide would crystallize out.
Compute the number of moles of sodium hydroxide ( NaOH ) in 23.75cm 3 of 0.150moldm -3
Assuming that the appropriate volumetric flasks are available, describe how we would make these solutions: (a)175 mL of a 1.14 M solution of NH4Br in water (b)1.35 L of a 0.825 M solution of NaI in water
In a particular experiment, 2.25 g of NH3 and 3.75 g of O2 are placed in a container and allowed to react. How many grams of NO will have been formed when all of the limiting reactant has been consumed?
Semi-Empirical Expression for a Dilute Real Solution, Starting with the definition of osmotic pressure
Calculate the equilibrium constant of the reaction I2(g)52 I(g) at 1000 K from the following data for I2: # = 214.36 cm
Consider the temperature change, together with the volume and concentration of the acid and base, noted in the HAZMAT team's response regulation information
The selenite ion is an oxoanion of selenium bearing a negative two charge and containing three oxygen atoms. Write the formula for the selenite ion.
Small helium-neon lasers emit 3.60 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
Calculate the molarity of 500.0 cm3 of solution containing 18.5 g of calcium nitrate Ca(NO3)2
An ice bag containing 324 of ice at 0deg C was used to treat sore muscles. When the bag was removed, the ice had melted and the liquid water had a temperature of 17.0 deg C.How many kilojoules of heat were absorbed?
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