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Compound X (C 8 H 12) produced 1, 5 - cyclooctadione while subjected to KMnO4. Depict the structure of Compound X
If an electron has a mass of 9.709x10^-31 kg, and a proton has a mass of 1.672x10^-27 kg, approximately how many electrons are required to have the same mass as one proton
what quantity graphed versus time yields a straight line for a zero-order reaction and what is the equation for the half life time. b) identify quantity versus time for a first order reaction and equation for half life.
It is written in chemical shorthand as NaCl. How would you go about finding approximately how much salt there is in our body
Titrated with 0.10 M HBr. Determine the pH of the solution after the addition of 400.0 mL HBr.
Methyl violet is an indicator that changes color over a range from pH=0.0 to pH=1.6. What is Ka of methyl violet
An aqueous solution of an acid HX has a pH of 5.34,what is the value of Ka for HX and calculate the percentage dissociation of HX in the solution
aniline c6h5nh2 kb 4.3 x 10-10 is a weak base used in the manufacture of dyes. calculate the value of kn for
A bottle containing 330 of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
The solution to physical chemistry, A laser used to read CDs emits red light of wavelength 700 nm. How many photons does the laser emit per second
When 35.0 g of an unknown nonelectrolyte is dissolved in 220.0 g of benzene, the solution boils at 83.2°C. Calculate the molecular weight of the unknown nonelectrolyte. The Kb for benzene = 2.53°C/m. The boiling point of pure benzene is 80.1°C.
Just based on the orbital occupancy of electrons, is it justifiable to distinguish between the transition and inner transition elements? Should we consider any other factors?
How many mole of a water can be produced if two mole of hydrogen gas are mixed with two mole of oxygen gas. 2H2 + o2 shows 2H2o
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