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z Medical Questions

Questions:                                                                               TimeLeft:      Posted:
Chemistry
2.) For the reaction shown below, if the reaction of 23.0 grams of NH3 (17.03 g/mol) produces a 54.7% yield, how many grams of CO(NH2)2 (60.06 g/m more... expired Oct 30th
in which group number is neon found? more... expired Oct 13th
finding out how much nitrgen is in s sampler of air more... expired Sep 3rd
a hydrocarbon weighing .52gms on complete combustion withO2----->896 ml of Co2 NTPand .368 gm H2Odoes the law of conservation of mass apply here? more... expired Jul 6th
A 20 g sample of Sulfur is mixed with 160 g of oxygen. Which is the limiting reactant and how many grams of the product will be formed in the reaction more... expired Apr 21st
CO(g) + 2 H2(g) <-----> CH3OH(g)


At 227 degrees C, K = 6.23 x 10 to the -3. more...
expired Mar 28th
Calculate the energy of a photon of wavelength 5.356x10-7m. more... expired Feb 6th
How many liters of fluorine gas, at standard temperature and pressure, will react with 23.5 grams of potassium metal? more... expired Nov 24th
if only ^63 Cu + ^65 Cu exist in nature and the official AW cu =63.5468, calculate the % abundance of isotope ^63 Cu + ^65 Cu on planet earth. Round more... expired Nov 8th
a sample of neon gas at stp will exert what pressure in mm at 75degC more... expired Nov 7th
1)How many isomers of a D-ketofuranose are possible of an alpha-D-ketohexofuranose?
2)Draw the the Fischer projection formula for Tri-O-methyl-bet more...
expired Oct 5th
What family of elements is relatively unreactive and why?

Please have the answer in a short and simple form. more...
expired Sep 29th
How many milliliters of 0.55 M HCl are needed to react with 6.8 g of CaCO3? more... expired Sep 24th
What is the volume in milliliters of 6.28 10-2 M adenosine triphosphate (ATP) that contains 1.51 mmol ATP more... expired Sep 24th
What is the volume in liters of 0.482 M manganese(II) sulfate that contains 45.2 g of solute?

just need to arrive at answer more...
expired Sep 24th
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