Explain the molarity of the sodium carbonate solution
What was the molarity of the sodium carbonate solution when a 447 cm3 volume of Na2CO3 solution was warmed with an excess of sulfuric acid until all the action ceased. A 5.0 L volume of dry CO2 gas measured at STP was given off and collected.
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Suppose the skillet is cooled to room temperature, 21*C. An iron skillet weighing 1.78 kg is heated on a stove to 165*C. Explain how much heat energy (in joules) must be removed to effect this cooling when the specific heat of iron is 0.449 J/(g&
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What was the molarity of the sodium carbonate solution when a 447 cm3 volume of Na2CO3 solution was warmed with an excess of sulfuric acid until all the action ceased. A 5.0 L volume of dry CO2 gas measured at STP was given off and collecte
Determine the amount of heat required to raise the 10.0 grams of ice from the -50 degrees C to 0.0 degrees C when the specific heat of ice is 2.1 J/g-K.
Approximately 1 atom of U-235 is present for each 140 atoms of uranium in the substance called pitchblende. If 84.8% of pitchblende is uranium (by mass), find how many grams of U-235 are in each 1 kg of pitchblende.
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