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Determine the chemical formulas for the following compounds:A) a covalent compound whose molecules contain 2 carbon atoms, 6 hydrogen atoms and an oxygen atomB) a compound composed of Na+ and O2- ionsC) a compound composed of Sn4+ and S2- ionsD) a compound composed of Fe2+ and PO4 3- ions
The blue color of the sky is due to the scattering of sunlight by the molecules in the air. The blue light has a frequency of about 7.5 x 10^14 Hz.
The Clean Air Act mandates that certain metropolitan areas must add oxygenates to the gasoline that is sold in that area. What is the reason that oxygenates are added to gasoline?
Designing and preparing aqueous buffer solution with the pH indicated.
A peat soil was found to have the following Langmuir constants for the adsorption of heavy metals. Using the nonlinear Langmuir equation above, show the equations and plot the nonlinear adsorption isotherms for the three metals
The well-preserved remains of a now extinct woolly mammoth is entombed in the permafrost lands of Siberia. Scientists have conducted carbon dating experiments on plant debris found in the stomachs of this mammoth.
A certain pesticide is fatal to fish fingerlings at a level of 0.5 parts per million in water. A leaking metal can containing 10.0 kg of the pesticide was dumped into a stream with a flow of 10.0 Liters per second moving at 0.7 km/hr.
Find out the formula of the gas produced if Na 3 P(s) sodium phosphide, is reacted with H 2 O
Determine the concentration of a solution prepared by diluting 25.0 milliliters of a 12 molar HCl solution with H2O until the final volume is 2.50 x 10² milliliters.
Give an acceptable name and identify the functional group; and
Determine the mass in gms for pure Ag sample that loses 2.88kJ if its temperature drops from 143 degree celsius to 28 degree celsius.?
The determination of iron in industrial waste stream is often carried out by reacting the water sample with o-phenanthroline to form a red-orange complex that absorbs at 510 nm.
What substance is in excess? D) How many grams of the excess reactant is leftover (remaining) after the reaction stops
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