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Complete and balance the following redox reaction in basic solution: H2O2 (aq) + N2H4 (aq) ? N2 (g) + H2O (l) Not sure what side gets OH- etc.
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 21.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142 km trip in Europe?
a student carried out the experiment but did not follow the directions exacly as written. What effect would the following actions have on the experiment ?
The pressure of 3.0 L of an ideal gas in a flexible container is decreased to one-sixth of its original pressure, and its absolute temperature is decreased to one-ninth of the original. What is the final volume of the gas?
The complex ion [Co(CN)3]^3- absorbs a photon of wavelength 2.90×10^2 nm. What is the splitting energy of this complex in kJ/mol?
Molecules can be as small as a few atoms or as large as thousands of atoms. In 1962, Max F. Prutz and John C. Kendrew were awarded the Nobel Prize for their discovery of the structure of hemoglobin.
Calculate molarity of solution obtained by dissolving 0.212g of Na2CO3 in 250cm3 of solution?
the average number of collisions per cubic meter per second for the molecules of argon at 0 degree Celsius and 1 bar of pressure. (d) what values would be obtained at 1000 degree celsius and 1 bar? (e) At 0 degree celsius and 100 bar
explain in detail, using thermodynamics principles, why the mixing of pure chemicals to form homogeneous mixture is a so-called spontaneous process
If a person produces and exudes polyunsaturated oil from their skin, how does it ultimately make clothes smell bad, and how does baking soda remove the odor?
The pressure in the eye of a hurricane is less than atmospheric pressure. Which one of the following pressure readings could not have been taken
what is the K value for compound Z in this biphasic system, (2) how much do you remove in each individual extraction, (3) how much of compound Z is extracted with those three 33.3 mL extractions added together, AND (4) how much is still in the wat..
The specific heat of water is 4.18 . Calculate the molar heat capacity of water. What mass of natural gas must you burn to emit 258 of heat
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