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A solution is prepared by adding 3.24 grams of an unknown compound to 217 g of cyclohexane (C6H12). This solution freezes at 3.8C. Calculate the molar mass of the compound.
you have a 10.40-g mixture of table sugar c12h22o11and table salt nacl. when this mixture is dissolved in 150. g of
what is the concentration M of a NaCl solution prepared by dissolving 15.3g of NaCl in sufficient water given 455mL of solution?
calculate the mol O2 added in the air, using the fact that the N2 in the ?ue gas equals the N2 added in the air. Then make a carbon balance to obtain the total moles of C added.)
Under What circumstances is it possible for the requirements for chirality at a carbon atom to be satisfied but for a molecule containing
The value of Delta g for the conversion of 3-phosphoglycerate to 2-phosphoglycerate (2PG) is +4.4 kj/mol. If the concentration of 3-phosphoglycerate at equilibrium is 2.55 mM, what is the concentraction of 2 phosphoglycerate? assume a temperature ..
The molar mass of a compound is 360. If the empirical formula is NO, what is the molecular formula
A reaction of importance in the formation of smog is that between ozone and nitrogen monoxide described by: O3 +NO ---> O2 +NO2
Determining a Four Stroke Engine's Dimensions Based on its Power, The engine produces indicated power of 35 HP. While it is running at 2500 RPM. Find the dimension of the engine.
The student titrated 25.0 mL of the buffer with 0.115 M NaOH. What is the concentration of the weak acid in the buffer? what is the buffer strength i.e, the total HA and A
What mass of formaldehyde gas must be released from building materials to produce a concentration of 50 ppm of the gas in a room with dimensions of 4m*5m*2m?
A calorimeter is not a perfect insulator. For a reaction that is endothermic, will the reported (delta)H be too high, too low, or unaffected if the heat exchange with the calorimeter is ignored
An orange compound was added to the top of a chromatography column. Solvent was added immediately, and the entire volume of solvent in the solvent reservoir turned orange.
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