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Raquel Rodriguez
Posts: 68
Joined: Fri Sep 28, 2018 12:26 am


Postby Raquel Rodriguez » Tue Mar 05, 2019 12:38 pm

What are the units of the zero, first and second order?

Emily Ng_4C
Posts: 65
Joined: Fri Sep 28, 2018 12:17 am

Re: Units

Postby Emily Ng_4C » Tue Mar 05, 2019 12:58 pm

Zero-order should be M/s. First-order should be s^-1. and second-order should be M^-1 * s^-1.

Sean Reyes 1J
Posts: 67
Joined: Fri Sep 28, 2018 12:24 am

Re: Units

Postby Sean Reyes 1J » Tue Mar 05, 2019 2:28 pm

The unit of k basically just needs to lead to the unit of concentration/second
A zero-order reaction means that k has a unit of M/s
A first-order reaction has a k with unit 1/s
A second-order reaction has a k with unit 1/M*s

Esther Lee 4H
Posts: 67
Joined: Fri Sep 28, 2018 12:29 am

Re: Units

Postby Esther Lee 4H » Thu Mar 07, 2019 10:35 am

Zero order: mol.L^-1.s^-1 or M/s
First order: s^-1
Second order: L.mol^-1.s^-1

I believe it was a homework question on the 6th edition #9 under the kinetics chapter

Calvin Patel 2H
Posts: 37
Joined: Fri Sep 28, 2018 12:22 am

Re: Units

Postby Calvin Patel 2H » Thu Mar 07, 2019 11:36 am

zero order: M/s
1st order: 1/s
2nd order : 1/(M*s)

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