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In the first part of your ternary mixture seperation experation, the mass of the beaker was 35.48 grams and the mass of the beaker and ternary mixture was 37.08 grams. After sublimation the mass of the beaker, saltm and sand were 36.93 grams. Calculate the percentage of naphthalene that was in the ternary mixture. Express your answer in percentage to the nearest tenth of a percent.i.e 0.1%
Calculate the half cell potential for the reduction of Pb(II) to metallic Pb(I) in a saturated Lead(II) sulfate solution
What is the possible chemical explanation for this? I understand that a reaction using a thiamine catalyst at room temperature for 48 hours may lead to lower yield due to catalyst decomposition, but I'd like to know a more technical explanation.
Assume a 95% yield for the formation of the phosphonium ion, how many milligrams of benzyl chloride and triphenyl phosphine would you need to prepare 220 mg of benzyltriphenylphosphonium chloride?
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs. the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
A certain type of sugar dissolves in water, but the solution created does not conduct electricity. Therefore, the sugar does not form ions when dissolved in solution.
the polarity of a molecule predicted from its bond angles and electronegativities of its component elements
A certainly gaseous solute dissolves in water, evolving 12.0 kJ of heat. Its solubility at 25 C and 4.00 atm is 0.0200 M. Would you expect the solubility to be greater than 0.0200 M at: a. 5 C and 6 atm? b. 50 C and 2 atm? c. 20 C and 4 atm? d. 25..
Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 10-6) by 0.200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added.
None of the desired ether was obtained. What product was formed and why did this route to the ether fail? Suggest a different substitution reaction that should yield the desired product.
A vitamin tablet contains 789 mg of vitamin C (C6H8O6). How many vitamin C molecules are contained in the tablet? Enter your answer in scientific notation.
What is its volume is 2.58 cubic micrometers. a)What is its volume in cubic millimeters (mm^3)?
Describe what is meant by an amphoteric species. Write the equation for the self ionization of water and know the ion product constant expression for water and its value at 25 degrees.
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