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Thomas used equimolar amounts of diethylamine and alpha chloro-2,6-dimethylacetanilide in the preparation of Lidocaine. All the starting material reacted but failed to isolate any Lidocaine. Why? How can he recover the mistake?
the value of delta h for the reaction h2 g plus br2 g yields 2hbr g is -72 kj. how many kj of heat are releasedwhen 1.0
Compare the orbital electronic configuration for K and Rb (s block), Hf and Zr (d block), F and Cl (p block). For each element, which ionic configuration should be the most stable?
Calculate the mass of Zinc hydroxide (Zn(OH)2) that will dissolve in 500ml of pure water. The solubility constant for zinc hydroxide is 4.2*10^-17
How is the 3D shape of the P-orbitals altered when the radial distribution probability as opposed to the Spherical Harmonic alone? Wolfram Alpha provides information and 2D representations of the Spherical Harmonics to also aid in examination usin..
A water pipe fills a container that measures 189 cm , 307 cm ,272 cm in 97 seconds, What is the rate of flow in the pipe in liters per minute.
note the lewis structure h3o. highly electronegative atos often have a partial negative charge on them. negative formal
A ground-state H atom absorbs a photon and makes a transition to n=4 energy level. It then emits a photon of energy 4.085 x 10^-19 Joules. What is the final energy and n value of the atom?
KCN is dissolved in water in a calorimeter that has a total heat capacity of 2.294 kJ·K-1, the temperature decreases by 0.470 K. Calculate the molar heat of solution of KCN.
calculate the solubility of caoh2 in a 0.469m cacl2 solution at 31degc given that the ksp of caoh2 is 4.96 x 10-6 at
You would like to create a reflection grating like the one shown at the right, with an incident angle (θ) of 43 °. Calculate the number of lines per centimeter that should be etched in the grating for each of the following conditions:
How much heat is required to warm 1.50 L of water from 30.0 C to 100.0 C. (Assume a density of 1.0g/mL for the water.)
Its volume is 2.0 x 10^2 mL and its pressure is 750 torr. what is the molar mass?
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