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Problem- Which of the following would cause precipitaton of the largest amount of AgCl when 0.1 mole is dissolved in the saturated solution shown.
a. NaCl
b. CsCl
Express your answer using two significant figures.
Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constanst (K) for this reaction (delta Gf values: H2CO3= - 616.1, H2O= - 237.1, CO2= - 394.4) .
Compute the composition of the crystals and the yield of the process. Also determine the composition of the mother liquor?
Sucrose (C12H22O11, table sugar) is oxidized in the body by O2 via a complex set of reactions that ultimately produces CO2(g) and H2O(g) and releases 5.64 x 103 kJ/mol sucrose. What is q (heat change) per gram of sucrose oxidized
Mg + 2HCl --> MgCl2 + H2 For a mass of 0.013 g Mg and 5.0 mL of 1.00 M HCl, in a flask with V = 140.612 mL at 23.5?C. Calculate the initial and final pressure (atm).
Consider a small lake, 0.4 mile across and 11 ft deep, that contains a total of 50 tons of dissolved oxygen. Calculate the BOD (i.e. calculate the amount of oxygen required to degrade the amount of organic waste given)
Combustion of 30.04 g of a compound containing merely carbon, hydrogen and oxygen produces 51.12 g CO2 and 28.45 g H2O. Explain what is the empirical formula of the compound
an antacid tablet containing magnesium hydroxide as an active ingredient requires 22.6 ml of 0.597 m hcl for complete
a solution of ammonia and water contains 3.10times1025 water molecules and 5.60times1024 ammonia molecules. how many
100g of metal x (csp=.21 j/gC) at 200C is put into 55g of water (Csp=4.184j/gC) at 24C. what is the final temperature
What mass of this substance must evaporate in order to freeze 160 g of water initially at 19 C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c. K}.)
If Titration of 30 mL sample of acetic acid is performed by dropwise addition of 0.68 M NaOH. A total of 8.79 mL of the base is necessary to reach the equivalence point. Explain what was the original concentration of acetic acid before the titrati..
Calculate the mass of urea that should be dissolved in 187 g of water at 35C to produce a solution with vapor pressure of 37.7 mmHg
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