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Question- A graduated cylinder has a mass of 80.241 g when empty. When 20.3 mL of oil is added, the graduated cylinder has a mass of 96.567 g. Calculate the density of the liquid. Illustrate math and give answer to correct significant digits and comprise unit
Write the structural formula of the main organic product for the following reaction between an alcohol, tosyl chloride, and then a nucleophile (nucleophile is CH3CH2CH2S-)
estimate the mean ionic activity coefficient for NaCl in a solution that is 0.020 mol/kg NaCl(aq) and 0.035 mol/kg Ca(NO3)2 (aq)
Calculate the number of grams of NaOH per 100ml to give a pH8.0 solution if pure water at pH7.0 is used in the experiment. Repeat this calculation for a pH6.0 solution using HCl.
The following unbalanced equation represents a reaction that occurs in basic solution: MnO42- + C2O42- ? MnO2 + CO32-. How many moles of OH- are required to balance the equation using the smallest possible integers
After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment, you determine the temperature of the mixed portions of water to be 45 oC. What is the heat capacity of the calorimeter
A 1-in. thick steel plate measuring 10 in. in diameter is heated from below by a hot plate, its upper surface exposed to air at 80oF. The heat-transfer coefficient on the upper surface is 5 Btu/h ftoF and k for steel is 25 Btu/h ftoF.
Explain the major product or products formed when each of the subsequent reacts with a mixture of concentrated HNO3 and H2SO4.
The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0atm is 5084.3 kJ. If the change in heat energy is 5074.1 kJ explain how much work is done during the combustion
If 250.0 mL of 0.354 M Phosphoric acid need to be prepared, how many grams of H3PO4 need to be added to water to make this solution
If a wheelchair-marathon racer moving at 13.3 miles per hour expends energy at a rate of 635 Calories per hour, how much energy in Calories would be required to complete a marathon race (26.2 miles) at this pace
a voltaic cell with nini2 and coco2 half-cells has the following initial concentrations ni20.80 m co20.20 m. what is
1.00 moles of sucrose (C12H22O11), and 1.20 moles of glucose. Sucrose and glucose are nonvolatile. What is the mole fraction of water in this solution?
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