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Depict the product of the reaction between 3-phenylpropyne and NaNH2 in NH3, then D3O+, followed by D2, Pd/C.
Consider a piece of gold jewelry that weighs 9.78 g and has a volume of 0.680 cm3. The jewelry contains only gold and silver, which have densities of 19.3 g/cm3 and 10.5 g/cm3, respectively.
Ammonia gas reacts with hydrogen chloride according to the reaction given below, which must also be balanced. if 7.00g of NH3 is reacted with 12.0g of HCl in a 1.00L container at 25C
Electrolysis is used to gold plate jewelry made of stainless steel. a) what half reaction takes place to plate Au^3+ on a stainless steel earring? b) is the earring the anode or cathode? c) why is energy needed to gold plate the earring
1.an unknown gas has a mass of 1.36 kg and occupies a volume of 0.628cubic meters at 198 kpa and 35oc. determine the
What will be the final temperature of the water in an insulated container as the result of passing 5.00g of steam [H2O(g)] at 100.0 degreesC into 100.0 g of water at 25.0degreesC
A chocolate caramel pecan piece of candy contains 115 food calories (CaI). If the heat energy contained in the piece of candy were transferred to 53.5 kg of water at 25.0 C, what would be the final temperature of the water? [Specific heat of H2O =..
prepare 100 mL each of five standard solutions: 2.00 x 10-5, 5.00 x 10-5, 1.00 x 10-4, 2.00 x 10-4, and 5.00 x 10-4 M. These will serve as your analytical standards, which means that their phosphate concentrations must be precisely known.
The esterification reaction of acetic acid with ethanol to give ethyl acetate proceeds with the following stoichiometry: CH3COOH + C2H5OH ----> H20 + CH3COOC2H5.
give two examples of elements or compounds that undergo sublimatiom. we studied the sublimation of elemental iodine
Calculate the the concentration of C4H9NO in a 1.50×10^?2 M morpholine solution. Given: pH= 10.25 and pKb= 5.68
Calculate ?Grxn at 298 K under the conditions shown below for the following reaction. SO3(g) + H2O(g) ? H2SO4(l) ?G°= -90.5 kJ P(SO3) = 0.20 atm, P(H2O) = 0.88 atm
A 1.40 mL sample containing chromium-51 as a tracer was injected into a patient. Z After several hours a 5.50 mL of blood was drawn and its ctivity compared to the injected tracer sample.
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