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Draw the structure of methyl red, and explain why it absorbs in the visible region of the spectrum. using resonance, explain why the acid form has a wavelength of max absorption at longer wavelength than the base form (show resonance structures). Full explanation for 5 stars
Calculating the concentration of the acetate ion when dissociation of acetic acid occurs in water and over varying pH conditions? I am a process engineer in wood pulping operation in which we use steam to digest hardwood chips. This is non-chemica..
aluminum and oxygen react to form aluminum oxide. How many L of oxygen at 296K and 1.4 atm of pressure are necessary to form 3.25g of aluminum oxide.
How to determine if HCl is Hydrochloric acid or Hydrogen chloride. Professor said acids should be in the presence of "something"
A mysterious material was purified from safflower oil (hint: full of fatty acids). Upon ozonolysis it gave the following compounds in their respective molar ratios.
Determine how long will it take for a sample of N2O5 to decay to sixty percent of its initial value?
A sample containing 0.0250 M concentration of a dye in a cell of 1 cm^2 cross section has a measured absorbance of 1.012 at 650 nm.
Converting liquid H2O to solid ice releases 1.44 kcal/mol. How many k/cal are released by freezing 1.4 mol of H2O?
It takes 54.0 J to raise the temperature of an 11.7 g piece of unknown metal from 13.0C to 25.0C}. What is the specific heat for the metal?
Concetrated acedic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
A laboratory method of preparing oxygen gas involves decomposition of solid potassium chlorate. The products of the reaction are solid potassium chloride and oxygen gas.
If 49.0g of H3PO4 is reacted with excess KOH, determine the percent yield of K3PO4, if you isolate 49.0g of K3PO3.
undergo combustion according to the unbalanced equation C2H6+O2=CO2+H2O how many moles of oxygen are required?
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