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- _Na2SO4 + _AlCl3 => _Al2(SO4)3 + _NaClAll these chemicals mentioned below name ways to avoid them and to clean them up if spilled? Hazards or safety concerns associated with these chemicals: Zinc sulfate: can cause irritation Copper(II) sulfate: this can cause skin and eye irritation Potassium nitrate: a fire hazard when in contact with combustible material Silver nitrate: can cause skin, respiratory, and eye irritation such as reddish to the body. Aluminum nitrate: thus can cause severe irritation and burns like irritation of the nose, throat, and lung with coughing, wheezing, and/or shortness of breath.Water softening is necessary to prevent clog in plumbing and prevent formation of scum in bathrooms and sinks. O True O False
- What volume of 95.0% alcohol by weight (density: 0.809g/cm^3) must be used to prepare150 cm^3 of 30.0% alcohol by weight (density: 0.957g/cm^3)Oнtres OH CH3 HBr CH3CN (solvent) E1 H₂CSelect the single best answer. Consider the steps in coal gasification: C(coal) + H₂O(g) → CO(g) + H2(g) CO(g) + H₂O(g) → CO2(g) + H2(g) CO(g) + 3H2(g) → CH4(g) + H2O(g) AH'rxn = 129.7 kJ AH°rxn = -41 kJ AH'rxn=-206 kJ Identify the overall reaction for the production of methane, CH4.
- Please don't provide handwriting solution1-butanol yields 1-bromobutane in the presence of concentrated sulfuric acid and an excess of sodium bromide. CH;CH,CH,CH,OH (1) → CH3 CH,CH,CH,Br (1) If 14.83 mL of 1-butanol produced 12.42 g of 1-bromobutane, the percentage yield of the product equals: (Assume the density of 1-butanol is 0.81 g/mL, the molar mass of 1-butanol is 74 g/mol, and the molar mass of 1-bromobutane is 137 g/mol.)Weigh out accurately 9.99 g of copper(II) sulfate pentahydrate (CuSO4·5H2O) by taring using a clean and dry empty 250-ml beaker. 2. Add tap water to the beaker to reach the 50-mL mark on the side of the beaker. 3. Dissolve all the crystals of CuSO4·5H2O in the water using a clean glass rod for stirring. 4. Then using a glass funnel transfer all the blue solution to a 100-mL volumetric flask. Rinse the beaker with about 10 mL of water and transfer the solution to the volumetric flask. Repeat the rinsing of the beaker with another 10 mL of water and transfer the solution to the volumetric flask. This is called quantitative transfer of the solution. 5. Then add enough water to reach the calibration mark of the volumetric flask. (You will need to use a dropper to add the last few drops of water to ensure the meniscus is on the calibration mark). Close the volumetric flask with a stopper and mix the solution well (so that it is homogeneous). 6. You have now prepared a standard solution (or…
- c) the following are the active ingredients of some of over the counter pain relievers (analyzed by TLC In Lab 9). For each circle the different functional group and name the functional groups (hint is given to help you with the number of functional group) CH3 H3C HO ÓH ČH3 acetaminophen ibuprofen caffeine aspirin 4 functional group 4 functional group 3- functional group 3-functional groupPart A: The graphic shows an organic molecule and highlights a functional group that is bonded to it. This functional group is an example of ______ group. Part B: select which Characteristic this functional group impacts on the molecule. A. Forms disulfide bonds B. NonpolarSolve the attached Problem.