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What is the [OH-] of a solution which is 0.18 M in ammonium ion and 0.10 M in ammonia? Kb = 1.8 x 10-5
One mole of a gas obeys van der waals equation of state that is allowed to expand isothermally from v1 to v2. Compute ΔG for one mole of ammonia from 0.5 to 10 liters at 300k.
When atomic absorption spectrophotometer had been allowed to adequately equilibrate, a blank determination of absorbance gave the following results.
In a acid-base titration, 33.65 mL of an 0.148 M HCl solution were required to neutralize 25.00 mL of a NaOH solution. What is the molarity of NaOH solution
Unsaturated hydrocarbons are generally more reactive (less stable) than saturated hydrocarbons. Which of the following organic compounds is the LEAST reactive?
A catalyst may be defined as a substance that enhances the rate of a chemical reaction without being consumed in the process. By this definition, a catalyst would have an infinite lifetime. The ozone decomposition catalysts
a large cylinder of He gas,such as that used to inflate balloons,has a volume of 25.0 L at 22c and 5.6 atm. How many moles of He are in such a cylinder
A copper storage tank containing dilute H2SO4 at pH 0.1 is blanketed with hydrogen at 1 atm. Calculate the maximum Cu(2+) contamination os the acid in moles Cu(2+) per liter. What is the corresponding contamination if the hydrogen partial pressure..
Does GLC analysis allow you to skip the IR analytical method? Compare the two methods for advantages and disadvantages.
Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 32 P, how many grams will remain after 112 days?
Determine the number of bonding electrons and the number of nonbonding electrons in the structure of XeF2
what is the minimum number of moles of sodium hydroxide required of this hydrolysis reaction to go to completion and what is the limiting reagent in this experiment?
mass is obtained in the reaction, what mass of S2O3^2- was present initially, assuming the reaction went to completion? the density of the HSO3^- solution is 1.45 g/cm^3
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