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What are the electronic configurations of Pb and Pb2+, also Mo and Mo2+. please explain what are their valence electrons.
For the following reactions, identify the type (combination, combustion, decomposition, displacement, methathesis [double-displacement)] neutralization), balance the reaction, and for the redox reactions identify the oxidizing agent and reducing a..
At 20 degrees C, the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr. What is the vapor pressure at 20 degrees C of a solution by mixing 27.0 g of methanol and 75.0 g of ethanol?
when zinc metal is placed into a copper (II) nitrate solution, a single-displacement reaction occurs. Write a balanced equation to describe this reaction.
Write down a lewis structure for SbCl5 and also explain Does the the octet rule is obeyed by this molecule Explain how many grams would 3.01 * x10 23 atoms of tellurium have?
what bond angles do you expect for each of the following, and what kind of hybridization do you expect for the central atom in each
What is the average mass of calcium in each sample? (Assume that the relative uncertainties in atomic mass are small compared the uncertainty of the total mass.)
What would you expect the measured decay rate to be 4.00 hours later? The half-life of Ru-97 is 2.79 days.
show the calculation for the percent yield of K3[Fe(C2O4)3].3H2O using your actual yield and the theoretical yield
Talc is a mineral that has low conductivity for heat and electricity and that is not attacked by acid. It is used as talcum powder and face powder. A sample of talc weighs 35.97 g in air and 13.65 g in mineral oil (d = 1.75 g/cm3). What is the den..
Propose a structure for the compound with the following formula that is consistent with the IR and 1H NMR data shown:
which one of the following represents the best method for the preparation of 3-chloro-3 ethylpentane?
(a)What is the coordination geometry about the vanadium ion incrystals of the alum? Write balanced equations for each reduction step
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