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Data taken over time reveal an increase in CO2 in the atmosphere. The large increase in the combustion of hydrocarbons since the Industrial Revolution is often cited as a reason for the increasing levels of CO2. However, an increase in water vapor has not been observed during the same period. Remembering the general equation for the combustion of a hydrocarbon, does the difference in these two trends disprove any connection between human activities and global warming? Explain your reasoning.
Why is it important to know both the equilibrium properties and the kinetic properties of a reaction
A perfect gas has a constant volume molar heat capacity of CV,m = 1.5× R, and a constant pressure molar heat capacity of Cp,m = 2.5× R. For the process of heating 4.50 mol of this gas with a 12 W heater for 400 seconds, calculate
What is the final pH when 100 ml of 0.1 M HCl is added to 150 ml of 0.2 M dihydrogen phosphate
What is the substance being oxidized?
A 4.90 g nugget of pure gold absorbed 266 J of heat. What was the final temperature of the gold if the initial temperature was 23.0°C? The specific heat of gold is 0.129 J/(g·°C).
Compound A (C8H10) when treated with hydrogen and palladium produces compund B (C8H18).Hydration of A produces a compund C (C8H14O2).Ozonolysis of A with an oxidative work-up produces three fragments,HOCOOH,HOCOC(CH3)2COOH,and HOCOCCH3.What are th..
Formation of SO3 from the air pollutant SO2 is a key step in the formation of acid rain, according to the following reaction. Use standard enthalpies of formation from Appendix L to calculate the enthalpy change for the reaction.
oxidation of gaseous CIF by F2 yields liquid CIF3. Use the following thermochemical equation to calculate delta H reaction for the production of CIF3
A protein may contain several cysteines, which may pair together to form disulfide bonds. If there is an even number n of cysteines, n/2 disulfide boons an form. Explain how many different disulfide pairing arrangements are possible
Describe the bonding in N3- (Azide ion) in terms of an molecular orbital picture in which each terminal N atom is sp hybridized with one hybrid orbital accommodating one lone pair of electrons
Utilizing appropriate examples, Define how the Octet Rule is used in ionic bond formation between Ca and O and covalent bond formation in NF3
At a certain temperature, the pH of a neutral solution is 7.72. What is the value of Kw at that temperature
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