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The value of Kc=2.20 x 10-10 for the equilibrium: COCl2(g)=Co(g)+Cl2(g)
If the concentration of Cl2 at equilibrium=4.80x10-6M, Explain what are the equilibrium concentrations of the other two substances? (CO) and (COCl2)
Also define what was the initial concentration of COCl2?
A single sp^3 hybrid orbital has a) one lobe b) two lobes of equal size c) two lobes of unequal size d) four lobes of equal size
A gas occupies a volume of 458 mL at a pressure of 1.01 kPa and a temperature of 295 K. When the pressure is changed, the volume becomes 477 mL.
According to the equation: Density (gmL) = 00045(percent sugar by mass) + 09925 , the percent sugar by mass of a sample that has a density of 1.02 g/mL is 6.11%
Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations.
If a 12.00 ml sample of phosphoric acid H3PO4 solution was titrated with a standard solution of 0.1350 M Ca(OH)2. To reach the endpoint 13.40 ml of the Ca(OH)2 solution was used. Explain what is the molar concentration (morality=M) of the phosphor..
Knowing that air contains 21% O2 and 79% N2 by volume, calculate the initial partial pressures of O2 and N2.
Sodium metal reacts with water to produce hydrogen gas and sodium hydroxide according to the chemical equation shown below. When 0.025 mol of Na is added to 100.00 g of water, the temperature of the resulting solution rises
treatment of .25g sample of impure potassium chloride with excess AgNO3 resulted in formation of .2912g AgCl. Calculate the % of KCl in the sample.
A 12 inch diameter ball of pure cobalt metal at 225 deg celcius was placed in 10 gal of water at 15 deg celcius. what is the final temperature of the water. assume no heat lost to surrounding
A scientist measures the standard enthalpy change for the following reaction to be -1053.4 kJ : 2H2S(g) + 3 O2(g) 2H2O(g) + 2 SO2(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of fo..
consider a reaction of 50.0 ml of 1.12 mhc2h3o2 with 50.0 ml of 1.27 mnh3. calculate the number of mole of hc2h302 and
the radiu of the aluminum atom is 143 pm. Verify that the metal crystallizes as a face-centered cube.
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