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You are given a liquid sample that contains either methanol (CH3OH), ethanol (CH3CH2OH), or a mixture of both. You use combustion analysis of a 0.336 g sample and obtain 0.462 g of CO2. What is the sample?
what is the velocity of a hydrogen molecule after absorbing a photon @ 58.4 nm? what is the translational energy of the molecule in J mol-1
whats the amount of heat required to raise the temperature of 165 g of water from 12.0 C to 88.0 C (sp. heat of H20(l)= 4.18 J/g)
50ml HCl reacted with 50ml NaOH and the change in temperature was 6.7oC. Will the temperature change increase or decrease if 25ml 1M HCl reacts with 75ml 1M NaOH?
Explain, in detail, how concentrated sulfuric acid catalyzes the Fischer esterification reaction? Use structures to illustrate your point
A 4.5-g sample of LiCl at 25 degrees Celsius dissolves in 25.0 mL of water also at 25.0 degrees Celsius. The final equilibrium temperature of the resulting solution is 60.8 degrees Celsius. What is the enthalpy of , H, of LiCl expressed in kilojou..
For the reaction Cu(s) + 2 Fe3+(aq) Cu2+(aq) + 2 Fe2+(aq), the equilibrium constant is Kc = 3.7×10^14 at 25 oC. Suppose that excess Cu(s) is added to 1.0 L of 0.015 mol L^-1 Fe(NO3)3(aq), with no change in volume. What is the equilibrium concent..
An alkane with a molecular formula of C6H14 reacts with chlorine in the presence of light and heat. Two constitutionally isomeric monochlorides of molecular formula C6H13Cl are formed
Explain what volume in liters of 0.94 M KOH solution must be added to a 0.090 L solution containing 9.9 g of glutamic acid hydrochloride Glu, FW=183.59; pKa1=2.23, pKa2 =4.42, pKa3=9.95 to get to pH 9.80
what is the molarity of a solution prepared by adding 132 grams potassium chloride to enough water
What is the equilibrium concentration of N2 in water when the pressure of N2 above the solution
what is green chemistry. how does it relate to heating A mixture of sodium carbonate and sodium bicarbonate (lab)
How the radius of nth orbit can be calculated
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