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Question- Explain the role of sodium bisulfite in the procedure for a phtalic acid from an unknow xylene reaction?
Please provide the answer of the given question on urgent basis
Write the net ionic equations that occur in the following cells: a. Pb|Pb(NO3)2||AgNO3|Ag Pb + 2Ag+ --> Pb2+ + 2Ag b. Zn|ZnCl2||Pb(NO3)2|Pb Zn + Pb2+ --> Zn2+ + Pb c. Pb|Pb(NO3)2||NiCl2|Ni Pb + Ni2+ --> Pb2+ + Ni
the normal melting point of water is 273.15k and deltahfus 6010 jmol. calculate the change in the normal freezing
Suppose that one needs 17.65mL of 0.1146M NaOH to titrate 25.00 mL of 0.0237M hydrofluoric acid. Assume no volume change when the salt is dissolved. Calculate the pH of the buffer.
Problem- If He gas has an average kinetic energy of 5710 J/mol under certain conditions, what is the root mean square speed of Cl2 gas molecules under the same conditions?
A natural gas mixture is burned in a furnace at a power-generating station at a rate of 13.0 mol per minute. (a) If the fuel consists of 9.3 mole CH4, 3.1 mole C2H6, 0.40 mol C3H8, and 0.20 mole C4H10, what mass of CO2 (g) is produced per minute? ..
a chemistry student has made some stock 0.2 moll potassium permanganate solution. he wants to make 800 ml of 0.04 moll
a mixture of gases contains 0.290 mol ch4 0.250 mol c2h6 and 0.270 mol c3h8. the total pressure is 1.60 atm. calculate
If solvent evaporates during an experiment, what effect, if any would this have on the freezing point determined for the pure solvent and or the solution. b.) If the solute dissociated about 10% what effect, if any would this have on the freezing ..
if potassium bromide of 25.5 grams is dissolved in enough H 2 O to make 1750 mL of solution, determine the molarity of the solution?
Draw the skeletal structure of cyanohydrin that is formed when 2-butanone reacts with the cyanide ion in the presence of HCN.
Liquid water has a specific heat of 4.18 J/g-K. If an insulated container holds 250 g of water at room temperature (25 C). What would be the final temperature of the water if 15 kJ of heat is added to the water
identify the compounds that act as acids in the following equilibriumnh4 aq cn- aq nh3 aq hcn
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