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7) Small amounts of the metal strontium (Sr, MW = 87.62 g/mol) can be produced by...
7) Small amounts of the metal strontium (Sr, MW = 87.62 g/mol) can be produced by electrolysis. The half-reaction for the production of strontium metal is Sr?+ +2 → Sr Electrolysis is carried out using a current i = 14.0 amp (1 amp = 1 C/s). How long (in minutes) will it take to produce 20.0 g of strontium metal? [12 points)
I 7) Small amounts of the metal strontium (Sr, MW - 87.62 g/mol) can be produced by electrolysis. The half-reaction for the production of strontium metal is Sr+ + 2 e Sr Electrolysis is carried out using a current i - 12.0 amp (1 amp = 1 C/s). How long in minutes) will it take to produce 12.0 g of strontium metal? [12 points)
7) Small amounts of the metal barium (Ba, MW = 137.33 g/mol) can be produced by electrolysis. The half-reaction for the production of barium metal is Ba²+ + 2e Ba Electrolysis is carried out using a current i = 15.0 amp (1 amp - 1 C/s). How long (in minutes) will it take to produce 16.0 g of barium metal? [12 points)
7) Small amounts of the metal barium (Ba, MW = 137.33 g/mol) can be produced by electrolysis. The half-reaction for the production of barium metal is Ba2+ + 2 e → Ba Electrolysis is carried out using a current i = 15.0 amp (1 amp = 1 C/s). How long (in minutes) will it take to produce 16.0 g of barium metal? [12 points]
urgent 7) Small amounts of the metal barium (Ba, MW = 137.33 g/mol) can be produced by electrolysis. The half-reaction for the production of barium metal is Ba²+ + 2 e → Ba Electrolysis is carried out using a current i = 15.0 amp (1 amp = 1 C/s). How long (in minutes) will it take to produce 16.0 g of barium metal? (12 points)
4) For each of the following questions circle the correct answer. There is one and only one correct answer per problem. [5 points each] a) A colligative property whose value depends directly on the mole fraction of solute particles osmotic pressure boiling point freezing point vapor pressure elevation depression lowering b) An example of a strong soluble base Pb(OH) Ba(OH)2 Cu(OH)2 AgOH c) A cation that is expected to act as a weak acid in water Mg? (aq) Pb?"(aq) Ag...
Cesium, a silvery-white metal used in the manufacture of vacuum tubes, is produced industrially by the reaction of CsCl with CaC2: 2 CsCl(l) + CaC2(s) ----> CaCl2(l) + 2C(s) + 2Cs(g) Compare the free energy produced from this reaction at 25oC and at 1500oC, the temperature at which it is normally run, given these values: ∆Ho298K = 25.0 kJ/mol, ∆So298K = 15.0 J/(mol.K); ∆Ho1773K = - 41.0 kJ/mol, ∆So1773K = 1.6 J/(mol.K). a) If you wanted to minimize energy cost in your production facility...
Part A Ammonia can be produced via the chemical reaction N 2 (g)+3 H 2 (g)⇌2N H 3 (g) During the production process, the production engineer determines the reaction quotient to be Q = 3.56×10−4. If K = 6.02×10−2, what can be said about the reaction? Part B The following reaction was carried out in a 2.75 L reaction vessel at 1100 K: C(s)+H2O(g)⇌CO(g)+H2(g) If during the course of the reaction, the vessel is found to contain 6.25 mol of...
Problen 1 1. For production of penicillin (CIGHsO4N S, molecular weight 334.4 g/mol), glucose CoHr2O) is used as substrate and phenylacetic acid (C H O2) is added as precursor. The stoichiometry for overall synthesis is: A supply of 100 mol/hr of glucose is fed to a continuous stirred-tank reactor for the production of penicillin, along with 200 mol/hr of ammonia (NHs),130 mol/hr of oxygen, 125 mol/hr of sulfuric acid and 100 mol/hr of phenylacetic acid. a. Determine the limiting reactant...
In the following chemical reaction, 2 mol of A will react with 1 mol of B to produce 1 mol of A2B without anything left over: 2A+B→A2B But what if you're given 2.8 mol of A and 3.2 mol of B? The amount of product formed is limited by the reactant that runs out first, called the limiting reactant. To identify the limiting reactant, calculate the amount of product formed from each amount of reactant separately: 2.8 mol A×1 mol...