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"Determine the molar heat capacity of a solid sample from the observation that transferring the sample with n = 2.45 mol from boiling water (at constant ambient pressure) into 232.0 g of water initially at 25.1ºC raised the water temperature to 33.4ºC. Assume that no heat is lost to the environment and that water has a constant molar heat capacity of Cp,m = 75.3 J K-1 mol-1 in the 20ºC to 100ºC range."
Write the mechanism for the formation of 4-chlorobenzanilide from the combination of the following reagents:
Draw three six-carbon alkenes, each of which forms the same product whether it reacts with HBr in the presence of a peroxide or with HBr in the absence of a peroxide,
Oxygen difluoride, OF2, is a colorless, poisonous gas that reacts rapidly with water vapor to produce O2, HF, and heat. OF2(g) + H2O(g) --> 2HF(g) + O2(g) + 324.4 kJ
Determine the osmotic pressure (in Torr) for a 50 mL solution containing 30.22 mg of protein with the molar mass
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 20.0g of luminol into a total volume of 75.0 mL of H 2 O .
If this NH4Cl solution is assumed to be ideal and is completely dissociated into ions, calculate the vapor pressure of this solution at 29.0 °C. (The vapor pressure of pure water at 29 °C is 30.0 mm Hg.)
Describe how you would prepare 2.00 L of 0.250 M NaOH from 1.00 M NaOH stock solution.
In the structure of phenacetin is the NH group attached to the C=O and aromatic, would the NH group be considered an amide or an amine. Disscuss by IR spectrum and NMR? On my spectrum
How many milliliters of a 330 mL solution of 1.5 M Na3PO4 must be used to make 53 mL of a solution that has a concentration of .5 M PO43-?
A bicycle tire is filled with air to a pressure of 95.0 psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees celcius. The volume of the tire increases by 4.0%. What..
Which of the following statements is/are correct. a) Water is an example of non-polar solvent. b) Any solution always conatins an electrolyte c) NONE d) A solute is always molecules dissolved in water and cannot be ions.
If the primary alcohol ethanol is subjected to sulfuric acid, an SN2 substitution would occur instead and diethyl ether would be formed.
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