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How much heat (in ) is evolved in converting 1.00 of steam at 155.0 to ice at -55.0? The heat capacity of steam is 2.01 and of ice is 2.09 .
If phenolphthalein is used as an indicator for titrating Ca(OH)2 with titrant HCl instead of methyl orange, which is the recommended indicatory
Main group elements often attain a filled outer level (either eight electrons or two) by forming ions with the electron configuration of the nearest noble gas
Calculate the concentration of HY3- in a solution prepared by mixing 10.00mL of .010M VOSO4, 9.9mL of .010M EDTA and 10.00mL of buffer with a ph of 4.00
Draw as many resonance structures as you can for the following nitrogen-containing compounds. Not all will obey the octet rule. (a) N2O (b) NO (c) NO2
Name a compound with the formula, C5H12, which will show only one peak in the NMR spectrum.
The mass of an atom of beryllium is 1.5 x 10^-26 kg. How many beryllium atoms are present in beryllium film of mass 0.37 g used as a window on an x-ray tube
Compounds containing carbon-carbon triple bond undergo the Diels-Alder reaction. Formulate the product formed by the reaction of
A major source of iron is from the mineral magnetite which is 72.4% iron by mass. If magnetite has a density of 5.20 g/cm3, how many cubic meters
what is the volume of the capillary tube and its associated error? What measurement must be made to a higher precision to decrease the error in the volume?
Calculate the standard cell potential for Mg(s) + Fe2+(aq)--->Mg2+ + Fe(s) Express the standard potential numerically in volts.
Write and balance net ionic equation for oxalic acid reacting with permanganate ion in acidic solution.
Sodium carbonate ( Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 5.04×103 kg of sulfuric acid solution?
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