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Many chromate (CrO42-) salts are insoluble, and most have brilliant colors that have led to their being used as pigments. Write balanced net ionic equations for the reactions of Co3+ and Cu2+ with chromate ion. (Use the lowest possible coefficients. Omit states-of-matter in your answer.)
A) Co3+ + CrO42- (Superscript 3+, superscript 2-, subscript 4)B) Cu2+ + CrO42- (Superscript 2+, superscript 2-, subscript 4)
What spectroscopic method would you use to unambiguously distinguish between the following isomeric acids. Give an explanation of how the spectra are interpreted to give you an assignment for each compound.
determine the footing width for a one-story 800 square feet conventional wood-frame house with a 2:1 length-to-width ratio to be constructed on a site in a warm climate with the following soil
Sample of ammonia gas is completely decoposed to nitrogen and hydrogen gases over heated iron wool. If the total pressures is 661mmHg after the reaction. Calculate partial pressures of nitrogen and hydrogen.
The combustion of sodium has a change in heat for the balanced reaction of -832 KJ. Do you need a balance reaction to answer this question: If .75 moles of sodium is combusted in a bomb calorimeter, how much heat in joules is given off
an ideal solution is created by mixing a and b in the molar ratio 23. the mixture has a normal boiling point at 85
How much of this compound must be weighed to make 175.0 mL of a 0.15 M solution? How many mL of the 0.15 M solution should be diluted to prepare 150.0 mL of a 0.050 M solution
1) Flame colours as an analytical technique: a) The principle behinde how this work
The combustion of propane illustrated by the following reaction releases 2428 KJ per mole of reaction. A sample of propane is burned at 59 degrees celsius and 746 mm Hg. The process produces 39.7 L of CO2(g). How much heat was released?
How much heat is evolved in converting 1.00 mol of steam at 130.0 C to ice at -50.0 C? The heat capacity of steam is 2.01 J/g*C and of ice is 2.09 J/g*C.
The bulb of the thermometer placed at the head of a distillation apparatus should be adjacent to the condenser. Explain the effects on the temperature recorded if the thermometer were placed (a) below the exit to the condenser and (b) above the ex..
Suppose you had started with 3.25 moles of sodium hydrogen carbonate,how many moles of sodium chloride would you expect to be formed?
Sodium carbonate was used to precipitate silver from a solution. 6.00 grams of silver carbonate were recovered from 1.500L of solution. What was the concentration in ppm of silver ions in the original solution?
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