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Refer to the tabulated values ofΔG°fin Appendix IVB in the textbook to calculate E°cell for a fuel cell that employs the reaction between ethene gas (C2H4) and oxygen to form carbon dioxide and water (gaseous).
Balanced Equation: 2C2H4(g) + 3O2(g) ---> 2CO2(g)+ 2H2O(g)
Values: C2H4 = 68.4 kJ/mol, O2 = 0kJ/mol, CO2= -394.4 kJ/mol, H2O= -228.6kJ/mol
Distinguish between a bonding orbital and an anti bonding orbital in terms of their contributions
The standard free energy of activation of a reaction X is 89.4 kJ mol-1 at 298 K. Reaction Y is one million times faster than reaction X at the same temperature.
a solution containing 50 ml of 0.050 m sodium cyanide nacn is titrated with 0.100 m hydrochloric acid hcl. cyanide ion
A geological sample is found to have a Pb-206/U-238 mass ratio of 0.773/1.00. Assuming there was no Pb-206 present when the sample was formed, how old is it? The half-life of U-238 is 4.5 × 109 years.
Question- Write the balanced equation for the reduction of 2,6 dimethylnitrobenzene to give 2,6-dimethylaniline using stannous chloride, snCl2 in concentrated hydrochloric acid
Hydrogen iodide decomposes according to the reaction 2HI(g)H2(g) + I2(g) A sealed 1.50 L container initially holds .00623 moles of H2, .00414 moles of I2, and .0244 moles of HI at 703K. When equilibrium constant is reached, the concentration of H2(g)..
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1MHz=10^6 Hz. Calculate the broadcast wavelength of the radio station 99.10 FM.
A compound is composed of only C and H. It contains 88.82% C by mass and has a molar mass of 54.09 g/mol. What is the correct molecular formula
Combustion of 30.04 g of a compound containing merely carbon, hydrogen and oxygen produces 51.12 g CO2 and 28.45 g H2O. Explain what is the empirical formula of the compound
Calculate the ionic strength of a solution that is 0.08 M in La(NO3)3 and 0.06 M in Fe(NO3)2.
When magnesium nitride is placed in water, it is decomposed to give the same magnesium containing product as formed from magnesium oxide and water. There is also a strongly odored gaseous product formed. What is the gas? Write a balanced equation ..
calculate the moles of h2 present in this gas sample. . 9. 1.0 gram of water at 25 c is heated to 100 c at which point
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