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Four different salts each imparted a yellow color to a flame indicating the presence of sodium, Na+. They reacted with coldH2SO4 as follows. Identify each SALT.
a) Effervescence was observed, and the evolved gas was colorless and odorless and did not fume in the moist air.
b) Effervescence was observed, and the evolved gas was pale reddish-brown, and had a sharp odor, and fumed strongly in moist air.
c) Effervescence was observed, and the evolved gas was colorless, had a sharp odor, and fumed in moist color.
d) Effervescence was observed, and the evolved gas formed violet fumes and had a rotten egg odor
Which of the following would be expected to be the most stable carcocation. Using good scientific terminology with the aid of structures/equations, clearly explain your answer.
It is desired to inflate a baggie with a volume of 869 milliliters by filling it with hydrogen gas at a pressure of 0.847 atm and a temperature of 296 K. How many grams of H2 gas are needed? answer in g please
A solution that is a mixture of 0.4 mol C2H4Br2 and 0.6 mol C3H6Br2 has a vapor pressure of 145 mmHg at a particular temperature. Determine the vapor pressure of pure C3H6Br2 at this temperature,
Benzyl alcohol has a boiling point of 205 C. It has solubility characteristics that would seem to make it a good choice for use as a recrystallization solvent for fluorenol
A bicycle tire is filled with air to a pressure of 720 torr at a temperature of 19 degrees Celsius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees Celsius.
The neutral OH molecule has been implicated in certain ozone-destroying processes which take place in the upper atmosphere. a.) Assuming the electron added to OH is entirely localized in a single atomic orbital on one atom
Na3AlF6(l) 3 Na(l) + Al(l) + 3 F2(g) What is the concentration of F2 over a bath of molten cryolite at this temperature? a) 3 10-35 M b) 5 10102 M c) 6 10-74 M d) 8 10-312 M e) 8 1017 M
Construct a simulated 1H NMR spectrum, including proton integrations, for CH3OC(CH2OCH3)3. Drag the appropriate splitting patterns to the approximate chemical shift positions;
What is the estimated temperature of the object using the above approximate prescription? What is the percent error?
As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively. A sparingly soluble salt, Herbigon is dissolved in 1M acetic acid for technical reas..
The heat of vaporization of water is 9.72 Kcal/mol.How much heat (in kilocalories) is required to vaporize 2.70 mol of H2O and how much heat (in kilocalories) is released when 440 grams of steam condenses
methane enters a heat exchanger at a volumetric flow rate of 120.0 m3min at a pressure of 1.013 bar and temperature of
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