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The partial pressure of CO2 in the atmosphere is 3.9x10-4 atm. When drinking soda is put in a can, assume that there is 2.0 atm CO2 in the 2.0 mL gas space above the soda. (The actual CO2 pressure varies with type of soda). What is the approximate ratio of the molar concentrations of CO2(aq) in the soda before it is opened to that in the soda after it has been opened and reached equilibrium with the surrounding atmosphere; i.e., has "gone flat?" Answer: 5x10^3 There is a document for this question, but it has no explanations. Thank you!
On a Particular summer day, the temperature is 30.0 degrees Celsius and the relative humidity is 80.0% ( which means that the partial pressure of water vapor in the ambient air is 80.0%
The standard reduction potiental for the reduction of Eu+3 to Eu+2 is -.43 volts... list atleast 3 substances capable of reducing Eu+3 to Eu+2
What is the pH of a 0.15 M solution of aqueous Acetic Acid. The Ka of acetic acid is equal to 1.7 x 10^-5
Briefly explain why caffeine will prefer the methylene chloride solvent to the water solvent? draw the structure for all 3 compounds?
Assume at certain time the wave function is N for all x between values x=1cm and x=2cm. for all values of x outside the interval 1, 2 the wave function is zero.
Use ΔG=ΔH-TΔS to calculate the standard free energy change, ΔG, at 25oC for the following reaction: CaCO3(s)-->CO2(g) + CaO(s)
What is the relationship between the factor R2 and the following factor, labled R3: R3= Volume of H2(g) produced per mol o zinc that reacts.
A 5.00g sample of liquid water at 25.0 degrees Celcius is heated by the addition of 84.0 J of energy. The final temperature of the water is _________ degrees Celcius. The specific heat capacity of liquid water is 4.18 J/g-K
A solutions of hydrochloric acid was formed by dissolving 1.52g of hydrogen chloride gas in enough water ti make 24.1 mL of solution. what is the concentration in percent (m/v) of solution
For the unbalanced redox reaction, identify the substance oxidized, the substance reduced, the oxidizing agent, and the reducing agent. SO2 + 2HNO3 --> H2SO4 + NO
If it takes 9.40 milliliters of your 0.0151M titrant how many milligrams of ascorbic acid (MW 176.12) were in the original tablet. Enter the number as a decimal - don't use scientific notation. Do not include units.
Describe how you will prepare a H2PO4-/HPO42- buffer using solid sodium dihydrogen phosphate and sodium hydrogen phosphate (pH 7.4, 500 mL 0.40M each).
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