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Question- In a 1985 study of Little Rock Lake in Wisconsin, 400 gallons of 18 M sulfuric acid were added to the lake over 6 years. The initial pH of the lake was 6.1 and the final pH was 4.7. If none of the acid was consumed in chemical reactions, estimate the volume of the lake.
Express your answers to three significant figures separated by comma.
how many grams of carbon dioxide can form when a mixture of 6.00 g ethylene c2h4 and 2.50 g of oxygen is ignited
4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2 How many moles of O2 will be produced if 5.86 moles of CO2 react completely?
calculate the final temperature of the water after all the ice melts. heat capacity of H2O: 37.7 J/mol*k heat capacity of H2O l: 75.3 J/mol*k enthalpy of fusion of H2O: 6.01 kJ/mol
Write the complete ionic equation fot the double displacement reaction that occurs when (Aq) soulutions of barium nitrate, Ba(NO3)2, and sodium chromate (NA2CrO4) are mixed) what are the spectator ions and the net ionic equation.
Under what conditions can you ensure that substitution will predominate and under what conditions can you ensure that elimination will predominate?
solid silicon and solid magnesium chloride form when silicon tetrachloride gas reacts with magnesium metal. write a
While NEM is added to a purified solution of creatine kinase, Cys 278 is alkylated, however no other Cys residues in the protein are modified. Explain what can infer about the Cys 278 residue based on this observation
Determine the value of x in Fe(CO)x if you combine 0.250 g of iron with CO and isolate 0.877 g Fe(CO)x.
Cesium-131 is a short-lived radioisotope (t1/2)=9.7 days) used to treat prostate cancer, How much theraputic strength does a cesium 131 source lose over 60 days
Find the Diffusivity of Ammonia gas(A) in a mixture of nitrogen(B) and hydrogen(C). D(AB)=3.28x10^(-5)m2/s and D(AC)=1.093x10^(-4)m2/s.
what minimum requirement is needed to obtain reproducible results with a single beam spectrophotometer
Problem- Your current SOP for making a caustic solution for removing tartrates in your tanks calls for using 100 grams of NaOH in 10 Liters of water. You want to try using KOH to reduce the sodium in your wastewater. Part a) How many moles of NaOH..
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