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Constant rate is 3.20×10-4 M/s for a zero-order reaction. concentration has dropped to 9.00×10-2 M after 60.0 seconds then determine the initial concentration?
A biochemist studying the break down of insecticide DDT finds that it decomposes by a first-order reaction w/ a half-life of 12 years. How long does it take DDT in the soil sample to decompose from 705 ppbm to 10
it is given that the bond length of hi 161pm.nbspcompute the moment of inertia of the molecule in kg m2. and also
A particular brand of gasoline has a density of 0.737 rm g/mL at 25 C. How many grams of this gasoline would fill a 15.1 gal tank?
here why is the -NHCOCH3 group less activating in electrophilic substitution compared to the -NH2 group
How much energy in joules is required to heat 295 mL of coffee from 25.0 0C to 62.0 0C? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 rm J/(gc. K) .
If the efficiency of the boiler is 91.2%, the efficiency of the turbine is 46.7%, the efficiency of the generator is 98.4%, and one can assume another 5% miscellaneous plant losses, what is the actual efficiency of the overall generating unit?
How would the ground-state energy levels of X and H compare (where X is an atom with one electron like Hbut different energy levels)? For X: E = - (RH / n3) and RH is the same as H (2.179 ×10?18J).
Give an acceptable name and identify the functional group; and
Calories given off when 83g of water cools from 48 degrees Celsius to 27 degrees Celsius.
Calculate the change in entropy when one mole of ice at ?10.0°C and 1 atm is converted to liquid water at ?5.0°C and 1 atm. The molar enthalpy of fusion for H2O
If 28mL of 7.0M Sulphuric acid(H2SO4) was spilled, then determine what is the minimum mass of NaHCO3 (Sodium bicarbonate or sodium hydrogen carbonate)
determine the empirical formula of a dead alkaline battery if ofund to contain a compound of Mn and O. Its analysis gives 69.6% Mn and 34.4% O
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