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Write the net ionic equation for the reaction between hydrochloric acid and sodium cyanide. Do not include states such as (aq) or (s).
Problem- Calculate the concentrations of all species in a 0.620 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
Question- An equilibrium mixture of CO, O2 and CO2 at a certain temperature contains 0.0010 M CO2 and 0.0015 M O2. At this temperature, K c, equals 1.4 × 102 for the reaction
suppose you are given 1 kg of ice at 0degc. if the ice is placed in an insulated container holding 1 kg of water
The melting point range is measure for two materials (A and B). For material A, the melting point range is from 58.5 C to 64.0 C whereas for material B, the melting point range is from 87.0 C to 89.0 C. Which material, A or B, is more pure
It is given that the v.p. of water =233.7 mm Hg.at 70 degree Celsius then calculate the vapor pressure? express your answer in mm Hg ?
For each of the subsequent molecules, offer a Lewis structure, including formal charge and resonance. Utilizing the table of bond enthalpies, along with the subsequent information, estimate
Calculate the pH after each of the following volumes of NaOH have been added: 0 mL, 10.00mL, 19.90mL, 20.00mL, 20.10mL
Germanium forms a substitutional solid solution with silicon. Compute the weight percent of germanium that must be added to silicon to yield an alloy that contains 4.43 × 1021 Ge atoms per cubic centimeter
How would you separate a mixture of eugenol and cholesterol
The hydrogen atom contains 1 proton and 1 electron. The radius of the proton is approximately 1.0 fm (femtometers), and the radius of the hydrogen atom is approximately 53 pm (picometers).Calculate the volume of the nucleus and the volume of the atom..
A snack pack of potato chips holds 28 grams of chips. Based on your data, how much fat is present in a snack pack? In such a bag of chips, there are about 15 grams of carbohydrate and about 1 gram of protein.
In a qualitative analysis procedure, a chemist adds HCl to an unknown group of ions and then saturates the solution with H2S so that the solution is 0.2 M in HCl and 0.10 M in H2S.
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