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cu(s)+4hno3(aq)+cu(no3)2aq+2NO(g)+2H2O(L) what is the products of the reaction and what are the reactants
1) How many moles of carbon monoxide would be required to react with 3.24 moles of iron (III) oxide? Fe2O3(s)+ 3 CO(g) 🡪 2 Fe(g) + 3 CO2(g)
A biochemist is investigating the conversion of atmospheric nitrogen to usable form by bacteria that inhabit the root systems of certain legumes and needs to know the pressure in kiloPascals exerted by 1.25g of nitrogen gas in a flask of volume 500 mL at 37 0C.
Tracy is receiving lanoxin every 8.0 hours. She weighs 69 kg. The dose range for this drug is 0.030 to 0.060 mg/kg every day. What is the maximum safe dose (in mg) you could deliver every 8.0 hours?
How many oxygen molecules are in 3.36 L of oxygen gas at STP
There are two isotopes of an unknown element, X-19 and X-21. The abundance of X-19 is 12.01%.
What is the percentage of the X-21 isotope?
Which apparatus would be most suitable to obtain crystals from an aqueous solution of
copper(II) sulphate?
What is the molecular formula if the empirical formula is CH2 and the original formula mass is 210.39?
What is the empirical formula if 29.16 % Nitrogen, 8.39 % Hydrogen, 12.50 % Carbon, and 49.95 % Oxygen?
What is the empirical formula if 51.23 % Iron, and 48.77 % Chlorine?
