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Will you be able to do flow chart for the separation of cations, from groups, I, II and III, and a write a simple procedure step by step.
a 500 gram sample of aluminum pellets specific heat capacity 0.89 jdegrees c x grams 10 gram sample of iron pellets
As a technician in a large pharmaceutical research firm, you need to produce 100 mL of 1.00 M potassium phosphate solution of pH = 7.00. The pKa of H2PO4 is 7.21. You have 2.00 L of 1.00 M~ KH2PO4 solution and 1.50 L of 1.00 M~ K2HPO4 solution
Consider the following equalibrium: 4NH3(g) + 3O2(g) 2N2(g) + 6H2O(g). Suppose 0.30 mol of NH3 and 0.40 mol of oxygen are added to a 5.0-l container. If x mol of water is present at equalibrium, how many moles of ammonia will remain at equalibri..
A mixture of table salt and ice is used to chill the contents of hand-operated ice-cream makers. What is the melting point of a mixture of 2.00 lb of NaCl and 12.00 pounds of ice if exactly half of the ice melts?
Calculate the concentration of NO3- ion remaining in solution.
2I2 + N2H4 → 4HI + N2 a. How many grams of I2 are needed to react with 36.7 g of N2H4?
A reaction occurs at a rate of 2.25 *10-2 moles per liter per second at 332 K. Estimate the increase in the rate of a reaction when the temperature increases to 332 K. Express the rate in moles per liter per second.
If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.
An oxygen tank kept at 20 degree C contains 28.0 moles of oxygen and the duage reads 31.0 atm. after two weeks, the guage reads 10.5 atm how many moles of oxygen
determine the theoretical and percent yields of ethanol if 684g sucrose undergoes fermentation and 349g ethanol is
How many moles of each product are formed in the reaction at 25 C and 1 atm of pressure. What is the total volume of product gases at 25 C and 1 atm.
The following isotopic cluster was observed in a mass-spectrum of a parent peak of a halogenated compound:
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