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Gaseous NOCl is placed in a closed container at 193 oC, where it partially decomposes to NO and Cl2: 2 NOCl(g) 2 NO(g) + 1 Cl2(g) At equilibrium it is found that p(NOCl) = 0.008460 atm, p(NO) = 0.007950 atm, and p(Cl2) = 0.004590 atm. What is the value of KP at this temperature?
If a sample of 0.190 grams of KCN is treated with an excess of HCL, calculate the amount of HCN formed, in grams.
NaOH is added to K2CrO4 and K2Cr2O7 separately in test tubes and a color change is noted.
Why must we know both in order to explain the physical properties of the molecule. physical properties to be considered are solubility and the points when the molecule changes states
Calculating Internal Energy Change, The heat capacity of a bomb calorimeter is 87.5kJ K-1 (this value is for the total heat capacity, including that of the water jacket around the reaction chamber)
Give the quantitative species inventory for the system ultimately resulting from a mixture
What mass of solid sodium formate (of MW 68.01) must be added to 140 mL of 0.3 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 3.77? Ka = 0.00018 for HCOOH.
sodium borohydride reduction experiment write the balanced equation for the reaction and calculae the percent yield
A 70.6 L constant-volume cylinder containing 7.44 g Hg is heated until the pressure reaches 3.80 atm. What is the final temperature in degrees Celsius?
Predict whether a precipitation reaction will occur when aqueous solutions of the following substances are mixed:
In which of the following are there more than eight electrons in the valence shell of the central atom?
What volume (in mL) of 0.657 M solution of iron(III) chloride can be made from 52.3 mL of a 1.89 M solution? Assume the volumes are additive.
You have standardized the NaOH solution that has a concentration of 0.05418 M. You are given a bottle of vineaga(acetic acid) with an unknown concentration.
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