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Consider the reaction: CuCO3.Cu(OH)2(s) → 2CuO(s) + H2O(2) + CO2(g)
1. What is the molar mass of CuCO3.Cu(OH)2?
2. What total mass of H2O and CO2 will be produced when 1.000 mole of CuCO3Cu(OH)2 is decomposed?
3. A 23995 g mixture containing malachite and an inert ingredient lost 02997 g of H2O and CO when decomposed by heating to constant mass.
a. How many moles of malachite in the mixture produced this mass of CO2 and H2O?
b. How many grams of malachite were present in the mixture?
c. What mass percent of malachite was in the mixture?
4. What do you predict would happen if the crucible were placed on the laboratory bench rather than in the desiccator while it cooled?
At the begining of the titration being performed in this lab experiement, how do you determine how much naoh should be added at each interval between volume-pH readings? As you approach the equivalence point,
Problem- Without doing any calculations (just compare the correct Ksp values) complete the following statements. Lead phosphate is more soluble than
Problem- A stream of water at 150 degree cel, 200Kpa is mixed with another water at 600 degree cel and 8000Kpa. The heate released at the outher stream is 100,000 KJ/hr.
Sodium Borohydride reacts slowly with water (and even more slowly with ethanol) to generate H2. What observation would allow you to deduce that H2 is being generated either during your reaction or when you pour the reaction mixture into water
Question- 1.What is the mechanism of the condensation reaction between mole equivalent of acetone and benzaldehyde to benzalacetone. 2. What are the four products resulting from an aldol condensation of a mixture of ethanal and acetophenone
In fermentation of glucose, 780 mL of CO2 gas was produced at 37 degrees C and 1.00 atm. What is the volume(L) of the gas when measured at 22 degrees C and 675 mmHg?
use the appropriate standard reduction potentials to calculate the value of K at 25 degrees Celcius for:
What is the purpose of adding phosphoric acid before titration of the iron (III) with potassium dichromate
A tablespoon of water has about 30.0 grams of water in it. If this were to be heated to 300 Farenheit the water evaporates. What would the volume of the evaporated water be if it were collected at 29 psi? (14.7 psi = 1 atm)
the effect of temperature on gases confined to small volumes. What is the pressure of 3.40mol of gas D measured at 251 C in a 1.75-L container assuming real behavior?
fundamentals of chemistry.1. hydrogen bonding innbsp water contributes toa. a decreasednbsp boiling
Once the pKw's at the three temperatures are determined, the Van't Hoff equation can be used to determine Delta H for the reaction, and from that Delta G, and Delta S can be calculated.
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