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Explain which concentration below must be reported for a solution if a precision of 0.1% is needed in the data analysis? Define mathematically.
a) 0.2M
b) 0.200M
c) 0.2000M
d) 2.00 x 10-1
e) 2.000 x 10-1
A mixture of fuel containing 0.530 mol CH4/mol, 0.330 mol C3H8/mol, and 0.140 mol C5H12/mol at 60.0°C and 125 kPa (gauge) enters a furnace at a rate of 91.0 L/min where it reacts with 17.4% excess air.
The solvent used in the preparation of diphenylacetylene (2) is triethylene glycol. A) Write the structure of triethylene glycol; circle and label each of the functional groups in this molecule. B) What structural features account for the high boi..
35.0mL of 0.255 M nitric acid is added to 45.0mL of 0.328 MMg (NO3)2. Explain what is the concentration of nitrate ion in the final solution
A carboxylic acid can exist in two conformations E and Z that are different by the dihedral angle around the C-O bond. Recent theoretical calculations indicate that the Z conformer of formic acid
there are 4 catalysts and mechanisms. is there a pattern? what key intermediate would you observe for most of these catalysts? how are they significant?
For each of these three possible indicators, give an example of an analyte and a titrant which best suits its use. changes color when the solution is slightly acidic (methyl red-HCl and ammonia?)
how many grams of cl2 can be prepared from the reaction of 15.0g of mno2 and 30.0g of hcl according to mno2 4hcl -gtgt
Determine at what temperature should the reaction be run to get a seventy five conversion of carbon monoxide?
a dancehall contains 173 men and 238 women. a certain promenade calls for the formation of groups with each group
The vapor pressure of pure water at 25C is 23.8 torr. A solution is made by mixing 18.52g of an unknown non-ionic substance into 200.00g of water and the vapor pressure of the solution is found to be 23.3 torr. What is the molecular weight of the ..
A certain reaction has an activation energy of 60.0 kj/mol and a frequency factor of A= 3.10×1012 M^-1s^-1 . What is the rate constant k , of this reaction at 30.0 Deg celsius?
the rate constant for the equation2c2f4 -gt c4f8is 0.0406 m-1 s-1. we start with 0.236 mol c2f4in a 3.00-liter
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