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How many moles of iron atoms are in 2.28 mol of Fe2O3?
How many iron atoms are in 2.28 mol of Fe2O3?
Why Do I Require More CaCO3 to Raise pH than Predicted? If you can remember back to a discussion and inquiry we exchanged last week concerning the use of sodium carbonate vs. calcium carbonate
if you burn 51.8 g of hydrogen and produce 463g of water, how much oxygen reacted?
What is the percent by mass of NaHCO3 in a solution containing 70 g of NaHCO3 dissolved in 700 mL of H2O?
Sulfhydryl groups have the ability to react with the alkylating reagent N-ethylmaleimide (NEM) in chemical modification experiments. When NEM is added to a purified solution of creatine kinase
A sample of neon is collected at 2.7 atm and 12.0 C. it has a volume of 2.25L.What would be the volume of this gas at STP?
Concentration : Dilution Problem, A student placed 18.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-mL mark on the neck of the flask was ..
How many liters of H_2 would be formed at 704 mm Hg and 14 degrees C if 21.5 g of zinc was allowed to react?
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 14.2 torr at 35°C. The vapor pressure of pure ethanol at 35°C is 1.00 x102 torr.
Hydrochloric acid reacts with aluminum to form aluminum chloride and gseous hydrogen. What's the mass of aluminum required to produce 1.0kg of aluminum chloride if there is excess acid?
A canister is filled with 310 g of ice and 100 g. of liquid water, both at 0 C . The canister is placed in an oven until all the has boiled off and the canister is empty.
Why does the same amount of liquid when left in a wider and flatter container evaporate quicker than when left in a narrower and deeper container?
The Lyman series in the hydrogen atom corresponds to transitions that originate from the n=1 level in absorption or that terminate in the n=1 level for emission. Calculate the energy, frequency, and wavelength of the least and most energetic transiti..
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