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Using the standard enthalpies of combustion, calculate the standard enthalpies of the following reactions:
A. C2H5OH(l)+3O2(g)>2CO2(g)+3H2O(l)
B. C2H5OH(l)+2O2(g)>2CO(g)+3H2O(l)
C. C2H5OH(l)+O2(g)>2C(s,graphite)+3H2O(l)
To keep ionic strength constant and maintain a more consistent matrix in a solution where ions could be influencing each other, another component is often added to the solution
A 1.000 mol sample of propane, a gas used for cooking in many rural areas, was placed in a bomb calorimeter with excess oxygen and ignited. The initial temperature of the calorimeter was 25.000°C and its total heat capacity was 96.94 kJ·°C-1. The ..
Write a detailed mechanism for a) the Fischer esterification of acetic acid with ethanol in the presence of sulfuric acid and b) the reaction of acetyl chloride with ethanol.
a. what are the energies of the n=1-7 levels? b. what is the energy difference between n=6 and n=7? c. what does this very approximate calculation compare with experimental values
Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00-g sample of each compound. One sample contains 0.32 g of X and the other contains 0.41 g of X. Identify plausible sets of formulas for these two compoun..
what is the volume of a block with the dimensions 95.6cm in length, 43.7cm wide, and 10.2cm in height?
Explain why Lewis dot structure for S2Cl2 IS Cl - S - S - Cl why does the two sulfurs have to be beside each other and the two chlorines have to be the first and last?
A researcher conducts an experiment to determine the work function of a palladium surface. She fires a laser with a wavelength of 254 nm at a certain time and observes electrons hitting a detector
What is the percent ionization of ammonia at this concentration. Express the percentage numerically to three significant figures
Find the mass of barium metal (in grams) that must react with O2 to produce enough barium oxide to prepare 1.2L of a 0.11M solution of OH^- Thanks in advance.
The atmospheric pressure in La Grande (683 atmospheric pressure) is significantly lower than that of Portland
Describe the movement of gas particles. Compare the shape and volume of a solid and a gas. Gases are easily compressed. What danger is associated with this property of gases.
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