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What is the cell diagram for the spontaneous cell involving the Fe3+ | Fe2+ (0.771V) half cell and the Zn2+ | Zn (-0.763 V) half cell? a. What is the cell diagram? b. Write the net redox equation? c. What is E°cell?
How does the Rf value of a given metal ion in solution by itself compare to its Rf value when it is in a mixture with other metals ions?
Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.
an antifreeze solution prepared by mizing equal volumes of ethylene glycol, C2H6O2 (density 1.12g/cm^3) with water (density 1.00 g/cm^3). Estimate the freezing point of the mixture
How many milliliters of 1.00 M KOH should be added to 100 mL of solution containing 10.0 g of histidine hydrochloride (His HCl, FM 191.62) to get a pH of 9.30?
Which of the following molecules are polar? (There may be more than one; choose ALL the polar molecules for full credit)
How the two solutions are properly mixed together? What is the role of the meniscus in this process?
For the reaction CO+O2 -> CO2 , what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 16.73 g of CO (28.0101 g/mol) and 0.251 mol of O2 (31.9988 g/mol)? Answer in units of mol
when most Fe+3 salts are dissolved in dilute nitric acid, the solution is often yellow to orange in color. Why could you not visually detect these colors in the Fe(NO3)3 stock solution?
If 5 moles of propane and 10 moles of oxygen are sealed in a container and burned, which reactant will be the limiting reactant, and how many moles of carbon dioxide will be produced?
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
Tell wheter each of the experimental errors in Exercise 3 will affect the melting point of the unknown component. If it will, tell how it will affect the melting point and explain why
a sample of gaseous SiH4 weighing 0.425g is placed in a 580 mL container. The resulting pressure is 0.61 atm.What is the temperature in degree celsius.
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