Acidic and Basic Reactions

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Ellen Amico 2L
Posts: 101
Joined: Thu Sep 19, 2019 12:16 am

Acidic and Basic Reactions

Postby Ellen Amico 2L » Sun Mar 01, 2020 9:36 pm

For reactions that occur in acidic or basic solutions, why do we have to add water or H+/OH- ions, and how do we know how much to add?

Johnathan Smith 1D
Posts: 108
Joined: Wed Sep 11, 2019 12:16 am

Re: Acidic and Basic Reactions

Postby Johnathan Smith 1D » Sun Mar 01, 2020 9:40 pm

You add them to balance out the hydrogen and oxygen atoms present in the interaction. For basic, you would add OH- and for acidic, you would add H+ ions.

Ashley Alvarado 2C
Posts: 45
Joined: Sat Aug 17, 2019 12:16 am

Re: Acidic and Basic Reactions

Postby Ashley Alvarado 2C » Sun Mar 01, 2020 9:42 pm

When balancing half reactions, H+ is added to balance H and OH- is added to balance O.

SVajragiri_1C
Posts: 115
Joined: Thu Jul 11, 2019 12:16 am

Re: Acidic and Basic Reactions

Postby SVajragiri_1C » Sun Mar 01, 2020 9:45 pm

You add H+/OH- ions and H2O to balance out the hydrogens and oxygens in the half reactions. For acidic reactions you add the H+, and for basic reactions you add OH-.

CalvinTNguyen2D
Posts: 102
Joined: Thu Jul 25, 2019 12:16 am

Re: Acidic and Basic Reactions

Postby CalvinTNguyen2D » Sun Mar 01, 2020 9:47 pm

OH- and H+ are used to balance basic and acidic reactions in half reactions, respectively.

Michelle N - 2C
Posts: 117
Joined: Wed Sep 18, 2019 12:19 am

Re: Acidic and Basic Reactions

Postby Michelle N - 2C » Sun Mar 01, 2020 9:52 pm

Like what everyone was saying, you add H+/OH- to balance the number of hydrogen atoms present and the same for oxygen. You know how much to add by basing of the coefficients, similar to balancing chemical reactions back in Chem 14A. Hope that helps! :)

Nohemi Garcia 1L
Posts: 103
Joined: Fri Aug 02, 2019 12:15 am

Re: Acidic and Basic Reactions

Postby Nohemi Garcia 1L » Sun Mar 01, 2020 9:52 pm

H+ is added for balancing reactions in acidic solutions, and OH- is used for basic solutions. Just remember that in acidic solutions, only H+ is used for balancing H, while for basic solutions H2O is added to the side that needs H and add OH- to the other side of the reaction.

Martina
Posts: 111
Joined: Thu Jul 25, 2019 12:16 am

Re: Acidic and Basic Reactions

Postby Martina » Sun Mar 01, 2020 11:28 pm

You add H20 to balance the oxygens in both types of reaction. Use H+ to balance the hydrogens in an acidic solution and OH- to balance hydrogens in a basic solution.

J Medina 2I
Posts: 102
Joined: Wed Sep 25, 2019 12:17 am

Re: Acidic and Basic Reactions

Postby J Medina 2I » Sun Mar 01, 2020 11:34 pm

H+ is used for balancing hydrogen atoms in acidic solutions and OH- is used to balance hydrogen in basic solutions. H2O is used to balance oxygen for both types of reactions.

Trent Yamamoto 2J
Posts: 111
Joined: Sat Aug 17, 2019 12:18 am

Re: Acidic and Basic Reactions

Postby Trent Yamamoto 2J » Tue Mar 03, 2020 2:20 pm

H+ is added to balance H in acidic reactions while OH- is added in basic reactions to the opposite side of the reaction to balance the H20 molecule(s)


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