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a compound of C, H and N cotains three elements in the ratio 9:1:3.5 . calculate emipirical formula of compound . if mol. wt = 108 . what is its molecular formula
Explain in detail how much heat is absorbed/released when 30.00 g of NH3(g) reacts in the presence of excess O2(g) to produce NO(g) as well as H2O(l) according to the following chemical equation? 4 NH3(g) + 5 O2(g) ? 4 NO(g) + 6 H2O(l) ?H° = 1168 k..
B0lecic acid yields steric acid 0n catalytic hydrogenation. ozonolysis of bolecic acid yeilds the following products: cH2 HooH-Cooh hooc(ch2)7 Cooh ohc (CH2)4 Cooh. Prepose a structure for boleic acid.
The figure shown below shows a typical titration curve for 0.1 M NaOH with 40 mL of 0.05M oxalic acid (H2C2O4). The first equivalent point is ~ at 9 .0 mL and the second equivalent point is at ~18 mL.
the standard enthalpy of formation of brf3g is -79.0 kjmol. the standard enthalpies for the atomization of br2l and
how thick of a veneer is required if some of the water from the meteorite dissociates and the resulting oxygen is used to oxidize one third of Fe+2 in the outer 800 km of the 6000 km proto earth to Fe3+?
How many molecules of acetylene (HCCH) react with 131 molecules of oxygen to produce carbon dioxide and water
an underground iron pipe in damp soil is to be protected from rusting. which of the following techniques would not
The uranium-235 radioactive decay series ends with the formation of 207Pb. How many alpha and beta particles are emitted in this series
Describe how you think humans detect odors and why certain substances smell the way that they do. Do not look up this information. Just provide your initial thinking on how this works
In a solution of acetone and ethanol, the mole fraction of acetone is 0.40. What is the concentration of acetone as a mass percent?
A 82.2 g sample of dinitrogen monoxide is confined in a 3.2 L vessel. What is the pressure (in atm) at 115°C?
How can you account for the difference between the colors of the benzaldehyde and cyclohexanone? Explain using formulas.
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