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Methanol (CH3OH) reacts with oxygen to produce carbon dioxide and water. Explain how many grams of oxygen will be needed to react completely with 200 grams of CH3OH? Explain what mass of water will be produced during the reaction?
Antimony has two naturally occurring isotopes, Sb-121 (mass = 120.9038 amu) and Sb-123 (mass = 122.9042 amu). Calculate the percent abundances of these isotopes of antimony.
What is the total molar concentration of ions in each of the following solutions, assuming complete dissociation? A 0.500M solution of K3CO3
Given an unknown monoprotic(one hydrogen) acid. Make a 100 mL solution with 20% by volume. (mix 20 mL acid with 80 mL water) and titrate with NaOH. You must find the concentration of it the weak acid.
Draw the skeletal structure of the product if the following alcohol were treated with HF in pyridine. Atoms other than carbon and hydrogen are labeled
find delta H for the solution of 1g NaOH in water d) find delta H for the solution of 1 mole NaOH in water e) Given the following heats of formation
suppose the barium sulfate weighed in the crudible above was not completely dry. how would this affect the
A 4.50G sample of LiCl at 25.0 degree celcius dissolves in 25.0 mL of water also at 25.0 degree celcius. The final equilibrium temperature of the resulting solution is 60.8 degree celcius. What is the enthalpy of solution of LiCl expressed in kilo..
Any help on how to do or start this problem. Calculate the change in pH of rainwater resulting from an increase in the P of CO2 from 10^-3.5 atm to 10^-3.0 atm due to fossil fuel emissions.
What is the equilibrium constant expression of the reaction system CoO(s)+H2 Co(s)+H2O(g)
what is the partial pressure of argon? If the two flasksare connected through a stopcock and the stopcock is opened, whatis the total pressure?
The following molecular equation represents the reaction that occurs when aqueous solutions of silver nitrate and calcium iodide are combined. 2 AgNO3(aq) + CaI2(aq) 2 AgI(s) + Ca(NO3)2(aq) Write the balanced net ionic equation for the reaction.
Which of the following substances would consist of molecules with twice the average velocity of SO2 molecules at the same temperature?
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