Q: Complete table
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Q: ΔHrxn
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Q: Q1/Prepare 0.1N of CH,COOH in 500 mL, Specific gravity 1.05 gm/cm and percentage 99.5% ?
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Q: Commercial perchloric acid (100.46 g/mol) 71% (w/w) with specific gravity of 1.67 was diluted by…
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A: Number of moles is calculated by dividing the given mass with molecular mass.
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Q: Commercial perchloric acid (100.46 g/mol) 71% (w/w) with specific gravity of was diluted by taking…
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Q: Commercial perchloric acid (100.46 g/mol) 71% (w/w) with specific gravity of 1.67 was diluted by…
A: Given: %(w/w) of perchloric acid i.e. HClO4 = 71 %. Volume of HClO4 solution taken = 15.00 mL…
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- Aleks data for AgBrO3 is 5.38 x 10^-5What weight Fe2O3 (FW = 159.69) can be obtained from 2.63 g of Fe3O4 (FW = 231.53) by gravimetric method *A chemist obtained the following data for the percent compound Z in triplicates (n=3) of an insecticide preparation: 7.47, 6.98, and 7.27. Calculate the 90% confidence limit for the mean of the data assuming that only information about the precision of the method is the precision for the three data points.
- A chemist obtained the following data for the percent compound Z in triplicates (n=3) of an insecticide preparation: 7.47, 6.98, and 7.27. Calculate the 90% confidence limit for the mean of the data assuming that only information about the precision of the method is the precision for the three data points. 7.24 ± 0.74% 7.24 ± 0.13% 7.24 ± 0.42% 7.24 ± 0.27%Ksp for Co(OH)2 is 5.92x10^-151. A student following the procedure described in this module collected the following data: mass Mg, g 0.0243 initial syringe volume, mL 1.0 final syringe volume, mL 26.5 barometric pressure, torr 754 temperature, K 298 Determination#1 The value of the gas law constant (R) is 0.0822 L.atm/mol.K Determination #2 he volume of hydrogen gas produced by the reaction of 0.243 g of magnesium metal and collected at 750 torr and 298 K = 248 mL The results of this experiment are greatly affected by the care with which each of the steps is completed (a) Describe the error that would occur if the magnesium were to slide into the HCl in the test tub before the system is sealed off (b) What would be the effect on the results of a rise in the room temperature from 22.0 celcius, when determination #1 was done, to 25.3 celcius, when determination #2 was made? (c) Why must the surface coating of MgO be removed prior to determining the mass of magnesium used in the experiment? (d) What would be the…
- 4 (a) Evaluate four characteristics, and their corresponding considerations of design associated to them for the following reaction: C10H20(liq) + H2(g) = C10H22(liq) ∆Ĥ R < 0 C10H22(liq) + H2(g) = C10H24(liq) ∆Ĥ R < 0EXPLAIN ME LIKE I M 5. PLEASE IN DETAIL WITH HANDWRITTENIn a certain oxide of nitrogen in g/L at multiple pressures at 0 °C, different density results were obtained. Determine the Molecular Weight (MW) of the substance and the atomic weight of Nitrogen. Pressure Density 1 atm 1.9804 2/3 atm 1.3164 ½ atm 0.9861 1/3 atm 0.6565
- For a diene halogenation reaction at 0 degrees Celsius, assume that 2.50 g of 1,3-butadiene is used, 50 mL of ether is used as the solvent, and the concentration of HCl is 3.00M. What is the volume of HCl required to preform a diene halogenation reaction and the theoretical yield of products of the reaction. (Please include the number of moles of each reactant and product)pls help with the following question aspa and explain if possibleThe thermal decomposition of potassium chlorate can be used to produce oxygen. 2KClO3 --> 2KCl +3O2 What volume of O2 gas at 298 K and 1.0 atm pressure is produced by the decomposition of 7.50 g of KClO3 (FW=122.6)?