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Utilize the thermodynamic data in Appendix B to compute the standard cell potential as well as the equilibrium constant at 25°C for the cell reaction in a direct methanol fuel cell2CH3OH(l) + 3O2(g) --> 2CO2(g) + 4H2O(l)
you have dissolved 0.298 g of soda ash into 80 ml of deionized water. it took 19.8 ml of 0.0998 m hcl to titrate the
the second-order reaction 2 mnco5 mn2co10 has a rate constant equal to 3.0 x 109 m-1s-1 at 25degc. if the initial
Diamond is the hardest known substance. Fe metal is soft sunstance. Using your knowledge of bonding, explain why diamond is hard
Draw the Lewis structures of the following compounds and find out number of electron groups, number of lone-pairs, geometry of electron
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 16.0 L
write a chemical reaction for this process. If a sample of the supernatant from the reaction above were used as part of a half cell along with a zinc electrode and the other half-cell was a standard hydrogen electrode, what is the potential of the..
Explain the use of nuclear isotope in medical field and Write a paragraph expaining what nuclear isotope can be used for medical purpose
What is the concentration (in M) of the chloride ion when 16.2 mL of a 0.542 M solution of barium chloride is combined with 18.4 mL of a 0.619 M solution of aluminum chloride? Assume the volumes are additive.
the mixture of saltwater and ice around the ice cream bucket in the ice cream machine is at a temperature of -8.40c.
Iron is obtained commercially by the reaction of hematite (Fe2O3) with carbon monoxide. How many grams of iron are produced if 25.0 moles of hematite react with 30.0 moles of carbon monoxide?
an aerosol spray can with a volume of 270 ml contains 3.2 g of propane gas propellant. what is the pressure in the can at 20 c.
as a side?reaction organometallic reagents can react with atmospheric co2 to produce metal carboxylates while the cacl2
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