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Calculate the number of grams of HC2H3O2 needed to make 450 mL of 0.322 M solution.
Application of Avogadro's law - To evaluate the volume of a gas using Avogadro's Law.
If 1.00 g sodium bicarbonate and 1.00 g citric acid are allowed to react, how many grams of carbon dioxide will form?
A piece of metal ore weighs 8.25 g. When a student places it into a container of water, the liquid level rises from 21.25 mL to 26.47 mL. What is the density of the ore?
The excess I3- was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
1.50 g of nh3 react with 2.75g of o2 which is the limiting reactant? How many grams of excess remain after the limiting reactant is completely consumed?
How many moles of oxygen are needed to react with 5.0 moles of ammonia? In the above reaction, how many moles of water can be produced from 256 grams of oxygen?
30.0 mL of water at 24.5 °C was mixed with 40.0 mL of water at 40.0 °C. If the specific heat of water is 4.184 J/g °C and no heat was absorbed by the calorimeter, then the final temperature is _____ °C. (Report to the proper number of significant ..
If a gas sample of a given size is moved into a larger container, the gas will expand to fill the container completely. What does this behavior imply about the attractive forces between gas particles?
The bottle is then brought outside and stored at 0.0°C. (a) What mass of liquid water condenses inside the bottle?
Calculate the standard reduction potential for the X half-reaction. The standard reduction potential of the copper half-reaction is 0.52 V. (Hint, write the half-reactions and the overall chemical equation for the spontaneous reaction.)
Compute the band gap for this semiconductor material after Consideing an intrinsic semiconductor with a conductivity σ that triples between the temperature 27 degree Celsius and 57 degree celsius.
although not a transition element, lead can form two cations: Pb2+ and Pb4+. write the formulas for the compounds of these ions with the chloride ion.
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