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34kurt
3 years ago
8

2. When lithium reacts with bromine to form the compound LiBr,each lithium atom1) gains one electron and becomes a negatively ch

arged ion2) gains three electrons and becomes a negatively charged ion3) loses one electron and becomes a positively charged ion4) loses three electrons and becomes a positively charged ion

Chemistry
1 answer:
Scorpion4ik [409]3 years ago
6 0
3) Each lithium atom will lose one electron and become positively charged.

This is an example of ionic bonding wherein an electron is transferred from one atom to another. As each atom wants to have complete outer shells (with lithium's having one electron and bromine's having seven) the electron will move from the Lithium to the Bromine. Lithium will become positive as electrons are negatively charged and it has one less electron than it originally had. 
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10.6 g CO₂

Explanation:

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C₂H₂ + O₂ ----> 2 CO₂ + H₂

9.31 g C₂H₂            1 mole               2 moles CO₂          44.0095 g
------------------  x  -------------------  x  ----------------------  x  -------------------  =
                            26.0373 g           1 mole C₂H₂              1 mole

=  31.5 g CO₂

3.8 g O₂             1 mole               2 moles CO₂          44.0095 g
-------------  x  --------------------  x  ----------------------  x  --------------------  =
                       31.9988 g              1 mole O₂                 1 mole

=  10.6 g CO₂

10.6 g CO₂ is the maximum amount of CO₂ that can be produced. In other words, the entire 3.8 g O₂ will be used up in the reaction before all of the 9.31 g C₂H₂ will be used.

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2 years ago
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