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Why is it not possible to convert one geometrical isomer into another?
At what velocity (m/s) must a 15.9 g object be moving in order to possess a kinetic energy of 1.0J?
Three gases (8.00 g of methane,CH4 , 18.0 g of ethane,C2H6 , and an unknown amount of propane,C3H8 ) were added to the same 10.0-L container. At 23.0 degrees celusis , the total pressure in the container is 4.40atm . Calculate the partial pressure..
A cube of an unknown metal measures 1.61 mm on one side. The mass of the cube is 36mg.
When 50.0 mL of 0.50 M formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH for each of the following: Ka of formic acid = 1.8 x 10^-4 Be sure to account for volume changes at each step.
Explain what is the molecular formula of the substance whose molecular mass is 78.12 and whose empirical formula mis CH.
Calculating the Equivalent Weight of an Unknown Substance, An unknown organic carboxylic acid, mp = 139-141 degrees Celsius, is burned with a yellow, sooty flame. The sodium fusion test showed that nitrogen was present.
Chemical Syntheis can be characterized as consisting of three basic processes: making chemicals, isolating the products and characterization. Each process is carried out using one or more techniques. Match the following technique with the process.
A 150.0 L reaction chamber is charged with reactants to subsequent partial pressures at 500oC:P(NH3) =1.3 ATM,P(O2) =1.5ATM. Explain what is the limiting reactant?
Explain how many cations and anions are in calcium chloride, barium hydroxide, sodium hydroxide, potassium hydrogen phthalate and potassium hydroxide
Calculate the pH of a solution that is 2.00 M HF, 1.00 M NaOH and 0.690 M NaF Ka of HF=6.8 x 10^-4
For an addition polymerization, the initiation is the slow step (1st order in initiator,R'2------->2R'.). The propagation step is fast with the rate=k1[R.][monomer]. The termination step is also fast with rate=k2[R.]^2.
Describes the relationship between the complex formation equilibrium constant, Kf, and the complex dissociation equilibrium constant, Kd, for the Fe(CN)6 3- complex ion?
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