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Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s). The equation for the reaction is 2KCAlo3 ----> 2KCI+3O2 Calculate how many grams of O2(g) can be produced from heating 20.9 grams of KClO3(s).
what is the hybridization of each carbon for the following structure? explain each one and provide the line structure.
The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure gold in an irregularly shaped object (e.g., a crown) by placing it in water.
At high temperature, hydrogen and carbon dioxide will reversibly react to form carbon monoxide and water vapor. At 986 C there are 0.11mol of each product and 0.087mol of each reagent in a 1.00L flask. What is Kc under these conditions
Silver ion reacts with excess CN- to form a colorless complex ion, Ag(CN-)2 , which has a formation constant Kf=2*10^20. Calculate the concentration of Ag+ in a solution prepared by mixing equal volumes of 1.8×10-3M AgNO3 and 0.20M NaCN
What is the molecular formula of the compound? Also, draw possible structures for the molecule
14 grams of water at 298 K are placed in an evacuated steel container whose volume is 10 L. If we assume that the volume of the liquid water may be ignored relative to the volume of the container, answer each of the following question
Decrease the net ionic equation for the reaction 61.5mL of 0.11 M sodium hydroxide were required to completely neutralize 23.7mL of sulfuric acid.
An iodine solution of unknown molarity was titrated against a 0.001M solution of S2O3^2-. The blue black iodine-starch complex just disappeared when 20.2 mL of thiosulfate was added. What is the exact molarity of the I2 solution.
Ice has the unusual property of a melting point that is lowered by increasing pressure. if this is the reason we can skate on ice, would a 75-kg skater whose skates contact the ice with an area of 0.1cm^2 be able to skate at -3C
What conditions are used in the Haber process to enhance the yield of ammonia. Explain why each condition affects the yield in terms of the Le Chatelier principle
Hardness in groundwater is due to the presence of metal ions, primarily Mg2 and Ca2 . Hardness is generally reported as ppm CaCO3 or mmol/L Ca2
Determine the limiting reagent
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