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Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer?
What mass of natural gas (CH4) must burn to emit 470. kJ of heat? CH4(g) + 2 O2(g) CO2(g) + 2 H2O(g).
Car manufacturers are developing engines that use H2 as fuel. In locations where hydroelectric plants produce inexpensive electric power, the H2 can be made industrially by the electrolysis of water.
The temperature in the laboratory was 25°C, and the barometric pressure was 740 mmHg. At 25°C, the vapor pressure of water is 23.8 mmHg. Calculate the equivalent mass, EM, of the unknown metal anode. The student was told the metal was oxidized to ..
Acetylene, C2H2, can be converted to ethane, C2H6, by a processknown as hydrogenation. The reaction is
Calculate the pH of a solution containing 25.00 mL of 0.12 M formic acid (Ka = 1.7 x 10^-4) to which the following amounts of 0.10 M NaOH have been added:
How many possible trisubstituted derivatives C6H3X2Y can be obtained from the para disubstituted benzene C6H4X2?
A gaseous hydrocarbon fuel is burned in 26.84% excess oxygen and the exhaust gas analyzed. On a dry basis, the ratio of carbon dioxide to carbon monoxide to oxygen in the exhaust gas
For each of the following acid-base reactions, calculate the mass (in grams) of each acid necessary to completely react with and neutralize 5.15 of the base.
A heater burns normal Butane (n-C4H10) using 40% excess air. combustion is complete . the flue gas leaves the stock at a pressure of 100 kpa and a temperature of 260 c
Calculate the Q for the water in Joules (c for water is 4.184J/g degrees celsius). Determine the Q for the metal in Joules based on your knowledge of conservation of energy. (you cannot use the Q=mcdeltaT equation, because you do not know the c fo..
Complete and balance the following redox reaction reaction under basic conditions- PO3^3-(aq)+ MnO4^-(aq) ? PO4^3-(aq)+ MnO2(s).
which caused the CO2 in the sample to precipitate as BaCO3. The excess base was back-titrated to a phenolphthalein end point with 23.6ml of .0108 M HCl. What is the concentration of CO2 in the air in parts per million? use 1.98g/L for the density ..
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