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When 12.1461 g of calcium metal is reacted with 8.3259 g of water, 4.3728 g of calcium hydroxide was produced as well as some hydrogen gas. What is the theoretical yield of calcium hydroxide? What is the percent yield?
The speed of sound in air is 344 m/s at room temperature. The lowest frequency of a large organ pipe is 30 s^-1 and the highest frequency of a piccolo is 1.5*10^4 s^-1
Consider four different samples: aqueous , molten , aqueous , and molten . Current run through each sample produces one of the following products at the anode: liquid bromine, fluorine gas, or oxygen gas. Match each sample to its anodic product.
Question- The volume of a carbon atom is 1.9*10^-30 m3. What is the radius of the atom in picometers. The volume of a sphere is (4/3)pie(3.14)r^3.
a student who was in a hurry to complete this experiment didn't completely dry the crystalline product before the final weighing. how would this error affect the calculated percent yield of the experiment
a voltaic cell employs the following redox reactionsn2aq mns--gt sns mn2aqcalculate the cell potential at 25 under
The volume of 0.162 mol of helium gas at 30.1 C is increased isothermally from 2.27 L to 5.43 L. Assuming the gas to be ideal, calculate the entropy change (J/K) for the process.
What is the lead (II) ion concentration in a solution prepared by mixing 381 mL of 0.437 M lead (II) nitrate with 433 mL of 0.362 M sodium fluoride? The Ksp of lead (II) fluoride is 3.6 × 10^-8.
When 0.062 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 200 milliliters of solution, how many ammonium ions are present.
Identify the most stable arrangement of the regions of high electron density. Diagram and name the type of structure that the molecules has based on positions of the atoms.
Explain what is the molarity of the complex in the flask after dilution and would love the steps to get to this
Explain when 0.50 moles of dinitrogen tetroxide gas is placed in a 4 L vessel as well as heated at 127 degrees Celsius 79.3% of it decomposed to nitrogen dioxide gas. Find the kp for the reaction at 127 degrees Celsius.
Using 1-Propanol as your only source of carbon, propose a synthetic route for 2-methyl-1,3-pentanediol.
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