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  • The standard cell potential (E°cell) for the voltaic cell based on the reaction below is ________ V.?

    Your Answer: 
    The standard cell potential (E°cell) for the voltaic cell based on the reaction below is ________ V. Cr (s) + 3Fe3+ (aq) → 3Fe2+ (aq) + Cr3+ (aq) A) -1.45 B) +2.99 C) +1.51 D) +3.05 E) +1.57
    22 mins ago
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  • The loss of electrons by an element is called _____?

    Your Answer: 
    The loss of electrons by an element is called ________ A) fractionation B) reduction C) disproportionation D) oxidation E) sublimation
    25 mins ago
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  • Which one of the following is the best oxidizing agent? A) H2 B) Na C) O2 D) Li E) Ca?

    Your Answer: 
    Which one of the following is the best oxidizing agent? A) H2 B) Na C) O2 D) Li E) Ca
    27 mins ago
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  • Which element is oxidized in the reaction below? Fe2+ + H+ + Cr2O72- → Fe3+ + Cr3+ + H2O?

    Your Answer: 
    Which element is oxidized in the reaction below? Fe2+ + H+ + Cr2O72- → Fe3+ + Cr3+ + H2O A) Cr B) O C) H D) Fe
    28 mins ago
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  • What is the mass percent N in C4H12N2?

    Your Answer: 
    46 mins ago
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  • What chromaphores can be used on a m-peg-oh and a m-peg-amine for analysis on a UV detector of an HPLC?

    Your Answer: 
    Can this be done in a one pot method or in a stepwise to differentiate the m-peg-amine species form the m-peg-oh?
    1 hour ago
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  • If magnesium was the limiting reactant, calculate the theoretical yield of the gaseous product. Show all steps of your calculation.?

    Your Answer: 
    Mass of mg strip (grams) = .0322 Volume of gas collected (mL) = 30 Barometric pressure (atm)= 1.2 Room temperature (C)= 22 Vapor pressure of the water= 19.8torr so far i have Moles of Mg =mass of Mg / atomic mass of Mg
    2 hours ago
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  • Chemistry question?

    Your Answer: 
    What volume of hydrogen would be needed to produce 2dm^3 of Ammonja? N2 + 3H2 -> 2NH3
    2 hours ago
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  • Can you clean out a bottle of cilit bang, so you can drink from it ?

    Your Answer: 
    Basically, I want to use this bottle of toilet cleaner as a personal bottle for myself(drinking) How much do I have to clean it in order to remove every trace of that gel and make it SAFE for me to keep water there and drink from it ? Is that even possible to clean it out? I wont do it if there's no way to make it safe to drink from it. How... show more
    5 hours ago
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  • Chemistry help?

    Your Answer: 
    A clear solution at 60 degrees Celsius holds 50 grams of KCl. That solution is A. Supersaturated B. Saturated C. Unsaturated
    6 hours ago
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  • URGENT!!! I NEED AN IB CHEMISTRY IA TOPIC IN LESS THAN A WEEK!!!!!?

    Your Answer: 
    i proposed three different ia topics and they all got rejected. any feasible ones done in a high school lab??
    9 hours ago
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  • Please help me It's Chemistry?

    Your Answer: 
    what is the IUPAC name of the following compound. Please see the photo below. Thanks!
    13 hours ago
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  • Chemistry?

    Your Answer: 
    12. The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine: step 1: Cl2 (g) ⇌ 2 Cl (g). (fast) step 2: Cl (g) + CHCl3 (g) → HCl (g) + CCl3 (g) (slow) step 3: Cl (g) + CCl3 (g) → CCl4 (g). (fast) a) What is the overall reaction? b) What are the intermediates in the mechanism? c) What is the... show more
    20 hours ago
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