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You tested Lysol cleaner in the lab with the FeCl3 reagent. A definite color change was observed. What conclusion can you make about the Lysol?
Find the nuclear binding energy of uranium-234 (atomic mass = 234.040947 amu) in utits of joules per nucleon. (Data: neutron mass = 1.674928 x 10^-24 ; proton mass = 1.672623 x 10^-24; Avogadro's Number = 6.0221367 x 10^23; c = 2.99792458 x 10^8)
Write a balanced equations and include the phase of the compound (aq or s) , then write a complete ionicequation and if there is a phase change you need to then write a net ionic equation and list the spectator ions.
What effect would there be on the calculated value for the molar enthalpy of dilution if the technician accidently used too much water so that the volume was actually more than 500 mL.
Treatment of this disaccharide with alpha mannosidase yields D-mannose and D-glucose. Draw the structure of the trisaccharide and state its systematic name.
Why is it possible to add up different balanced chemical equations to form a particular chemical equation and calculate its Kc from multiplying the Kc values of the different equations?
What mass of Copper (II) Hydroxide precipiate is produced by the double displacement reaction in a solution of 2.67g of potassium hydroxide
Find the formal concentration of the acid in each phase when 100 mL of 0.10 M aqueous acid is extracted with 35 mL of octanol at (a) pH 4.00 and (b) pH 9.00.
The melting point of the aspirin was found to be 110-115 celsius. Explain why the melting point was low and why the melting range was so wide
similarly, what happens if cellulose is reacted with maleic anhydride C4H2O3? Again, how is the cellulose molecule/structure altered and what are the reaction by-products?
How much heat is required to vaporize 353 g of liquid ethanol at its boiling point? ΔHvap = 38.6 kJ/mol.
The equilibrium constant, Kp is 0.15 at 298 k for the reaction N2O4(g) 2 NO2(g) If the total pressure of the gas mixture at equilibrium
Rutherford fired positively charged particles at metal foil and concluded that most of the mass of an atom was..a) in the electrons.
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