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This is vital to Jack Daniels- The vapor pressure of ethanol is 115 mmHg at 34.9 degrees C. By means of the fact that: DELTA Hvap of ethanol is 40.5 kJ/mol compute the temperature in Celsius when the vapor pressure of ethanol is 700 mmHg.
a. 77 degrees C
b. 74.7 C
c. 71.9 degrees C
d. 65.2 degrees C
e. 61.7 degrees C
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
A fuel gas containing 90% methane (CH4), 5% acetylene(C2H2) and 5% butane gas(C4H10) by volume is fed to a furnace in which it is completely burned with 10% excess air. The fuel gas flow rate is 1000 m^3/h at 15 degrees Celcius and 250 kPa.
What is the empirical and molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen and 48.68% fluorine if the molar mass of this compound is 156.12 g
When active metals such as sodium are exposed to air, they quickly form a coating of metal oxide. The balanced equation for the reaction of sodium metal with oxygen gas is
Consider the combustion of methane ( as represented by the following equation). This is the reaction that occurs for a bunsen burner, which is a source of heat for chemical reactions in the laboratory.
E1 mechanisms a little clearer? maybe make a chart with simmilarities and differences and how to know which one is which?
What is the origin of the charge neutrality requirement in solids? Why must solids have charge neutrality in the bulk,
Two inert electrodes are immersed in the solution. If a voltage is applied to the electrodes, what oxidation 1/2 reaction will most likely take place at the surface of one electrode and what reduction 1/2 reaction will most likely take place at th..
When 0.564g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.3C to 29.8.C Find Delta Erxn for the combustion of biphenyl in kJ/mol biphenyl. The heat capacity of the bomb calorimeter, determined in a s..
Calculate the total calories absorbed from the surroundings. D. ?H for Solution of KCl(s) in water: ?T for reaction D: -4°C Mass of KCl: 5.00 g Volume of water: 0.050 L
Choose the selection which gives the correct number of and bonds present in one molecule or ion of perchlorate ion, ClO4-. Make the central atom in your Lewis structure follow the octet rule if possible.
Calculate the activation energy of a reaction whose rate constant is 4.22 x 10?4 s?¹ at 25°C and 4.54 x 10?4s?¹ at 45°C.
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