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Write a balanced equations and include the phase of the compound (aq or s) , then write a complete ionicequation and if there is a phase change you need to then write a net ionic equation and list the spectator ions.
Sodium Carbonate plus barium chloride equal sodium chlrode plus barium carbonate
An experiment shows that a 247 mL gas sample has a mass of 0.432 g at a pressure of 747 mmHg and a temperature of 28 degrees celcius.What is the molar mass of the gas?
What is the purpose of dissolving the acetanilide in glacial acetic acid prior to beginning the nitration reaction? What happens when you mix sulfuric acid with nitric acid?
How many milliliters of the potassium permanganate solution will be required to react completely with the potassium iodide solution if the reaction is carried out in acidic solution and in basic solution?
Nitrogen dioxide (NO2) cannot be obtained in a pure form in the gas phase because it exists as a mixture of NO2 and N2O4. At 25°C and 0.98 atm, the density of this gas mixture is 2.7 g/L.
Discuss two ways that ammonium compounds decompose when they are heated. What chemical reaction is involved in the thermal decomposition of ammonium persulfate?
The mass of a cube of iron is 392 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
A 0.5220g sample of an unknown monoprotic acid was titrated with 9.96*10^-2 M NaOH. The equivalence point of the titration occurs at 23.84mL.
Describe the three types of models (layer sequence drawings, computer graphics, balls and sticks) used for visualizing the three dimensional structure of unit cells
A 10 liter sample of oxygen 0.0°C and 15 cm. pressure is subjected to 150 cm. pressure at the same temperature. What is the new volume of the oxygen?
The refining of aluminium from bauxite ore proceeds by the overall reaction: 2Al2O3 + 3C --> 4Al + 3CO2.
Compute the structural analysis of the Protein and What order will the following proteins elute from a caution exchange column loaded at pH 6?
In a perfect system when warm water is added to cold water, all of the heat energy released would be absorbed by the cold water.
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