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A particular sample of vinegar has pH=2.90. If acetic acid is the only acid that vinegar contains (Ka=1.8 x 10^-5), calculate the concentration of acetic acid in vinegar
If I inhale 3.5 liters of gas at a temperature of 190 C and it heats to a temperature of 580 C in my lungs, what is the new volume of the gas? If 1.50 L of a gas is at standard temperature and pressure is compressed to 556 mL, what is the new p..
Discuss how OSHA's Field Operations Manual could be used by an organization's management to improve the management of its safety and health program.
The bubble-point pressure of the 40°API oil plus 1110scf/STB of gas produced from this field was measured as 3460 psig at 263°F. What type of reservoir fluid is in this reservoir? Is the reservoir oil saturated or undersaturated? How do you know?
If 3.0g of N2 gas has a volume of 0.50 L and a pressure of 5.0 atm, what is its Kelvin temperature
Use Slater's rules to calculate the shielding constant and effective nuclear charge for a 5s, 5p, and 4d electron in the tin atom. Which of these electron experience the lowest effective nuclear charge
An igneous rock contains a Pb-206/U-238 mass ratio of 0.372. How old is the rock. (U?238 decays into Pb?206 with a half-life of 4.50×109 yr.)
Why are active on-duty firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters who inhale the same concentration of the same substance?
The activation energy for a particular reaction is Ea=14.20kj. Explain what percentages of the molecules are at the or above the activation energy at 500.0k
estimate the value of the equilibrium constant at 650 rm k for each of the following reactions. delta hcircrm f and
What is the cell voltage when the following volumes of 0.640 M NaBr have been added? 1.0 ml, 13.0 ml, 20.6 ml, 21.5ml, 34,5ml, 43.1ml, 47.5ml.
If the purity of compounhe Z is 87% and the reed value for its molar extinction coefficient is 9200M-1 cm-1 at 605nm. What should measure as the E of this impure compund Z
Structure of major compound formed from: alpha-D-methoxyglucopyranose + TBDPS-Cl/AgNO3
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