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Calculate the quantity indicated for each of the following electrolyses. Enter scientific notation as 1.23E4. (a) [Cu2+] remaining in 5.70E2 mL of a solution that was originally 0.412 M CuSO4, after passage of 3.50 A for 289 s and the deposition of Cu at the cathode. ____________ (b) The time required to reduce [Ag+] in 179 mL of AgNO3(aq) from 0.177 to 0.145 M by electrolyzing the solution between Pt electrodes with a current of 1.02 A.
what is the final temperature of the mixture? Use 1.00g/mL as the density of water.
It takes 171 minutes for the concentration of the reactant in a first-order reaction to decrease from 0.6000 M to 0.150 M at 25 C? How long will it take for the reaction to be 90.0% complete
What is the hybridization of each carbon for the following structure? Please explain each one and provide the line structure. Supposedly there should be two hybridized sp2 and two hybridized Sp3
How many mL of 0.25 m NaOH solution are required and What is a standard soluyion in an acid-base titration
When atoms of the hypothetical element X are placed together, they rapidly undergo reaction to form the X2 molecule. Would you predict that this reaction is exothermic or endothermic?
The vapor pressure at 300 K is 856 torr. If 12.0 g of CCl3F is enclosed in a 1.0 L container, will any liquid be present? How much?
how do the densities of metals can be calculated? could this method be used for determining the density of mercury as
the temperature of the calorimeter (including its contents) rose from 23.18oC to 27.65oC. What mass, in g, of benzoic acid was burned. here is what i did, 3226/122.13=26.41 delta t =4.474 so 4.474*12.5/26.41 =2.12 is the answer 2.12g
Ethylene Glycol in a Car Radiator, How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 L of water if the coldest winter temperature in your area is -20 0C?
Identify the subshell in which electrons with the quantum number n = 5, l = 4 are found. (Just write A,B, C, D, or E on the answer sheet) a) 5d b) 5p c) 5g d) 5f e) 4f
This question about comparing elimination reaction of alkene with sodium methoxide and potassium tert-butoxide compare the results of the two E2 reactions you ran and discuss how using different bases affects the product composition
Acid Mixture Problem, From a full 50-liter container of a 40% concentration of acid, x liters is removed and replaced with a 100% acid.
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