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daniceko

  • 3 years ago

Please help with this one question ill give medal and become a fan :) 1. In order to predict whether or not a single-replacement reaction takes place, you need to consult a chart that shows the _____. (1 point)

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  1. daniceko
    • 3 years ago
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    The options are periodic table activity series of metals common polyatomic ions ionic charges of representative elements

  2. daniceko
    • 3 years ago
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    @Frostbite can u help

  3. Frostbite
    • 3 years ago
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    I would say activity series of metals.

  4. daniceko
    • 3 years ago
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    Ok thanks

  5. daniceko
    • 3 years ago
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    can you help me with these two3. In a double-replacement reaction, the _____. (1 point) products are always molecular reactants are two ionic compounds reactants are two elements products are a new element and a new compound 4. Which of the following is a balanced equation representing the decomposition of lead(IV) oxide? (1 point) PbO2 Pb + 2O PbO2 Pb + O2 Pb2O 2Pb + O PbO Pb + O2

  6. Frostbite
    • 3 years ago
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    General form for a double replacement reaction (salt metathesis reaction): A-B + C-D → A-D + C-B So what would you guess?

  7. Frostbite
    • 3 years ago
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    4. we take in a min.

  8. daniceko
    • 3 years ago
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    Ok and for 3 I'd guess B or D

  9. Frostbite
    • 3 years ago
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    Okay I can say it is not D. A example of a double replacement reaction could be BaCl2(aq) + NaSO4 (aq) -> NaCl (aq) + BaSO4 (s)

  10. daniceko
    • 3 years ago
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    So is it B

  11. Frostbite
    • 3 years ago
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    2 sec need to take a look in my chemistry book now i am geting unsure about it is A or B :P

  12. daniceko
    • 3 years ago
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    Oh Ok :)

  13. Frostbite
    • 3 years ago
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    OK here we go: "Double displacement: This is when the anions and cations of two different molecules switch places, forming two entirely different compounds."

  14. daniceko
    • 3 years ago
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    So it is B

  15. Frostbite
    • 3 years ago
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    A or B can't fully say, can't find any clear 100% fool proof place in my book that say it is true

  16. Frostbite
    • 3 years ago
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    and 4 i would say should be PbO2 Pb + O2

  17. daniceko
    • 3 years ago
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    Ok thank you :)

  18. daniceko
    • 3 years ago
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    The answers were B and pb02 + 02 :)

  19. Frostbite
    • 3 years ago
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    Perfect? ^^

  20. daniceko
    • 3 years ago
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    Yep :)

  21. Justin_Bieber
    • 2 years ago
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    #1: activity series of metals. #3: reactants are two ionic compounds. #4: PbO2 ---> Pb + O2

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