Search found 10 matches

by sas_budge_1l
Sun Mar 19, 2017 12:45 pm
Forum: General Rate Laws
Topic: Order of Steps
Replies: 3
Views: 506

Re: Order of Steps

I don't think the order matters, you just always use the reactants in slow step in your rate reaction
by sas_budge_1l
Sun Mar 19, 2017 12:15 pm
Forum: *Alkanes and Substituted Alkanes (Staggered, Eclipsed, Gauche, Anti, Newman Projections)
Topic: Newman Projection
Replies: 2
Views: 865

Re: Newman Projection

The question will specify which 2 carbon atoms to draw in the Newman projection and then you draw the remaining chain depending what carbon it is bonded to. It is helpful to draw out the molecule before doing the Newman projection.
by sas_budge_1l
Sun Mar 19, 2017 12:07 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: units of the rate of reaction
Replies: 7
Views: 599

units of the rate of reaction

are the units of rate always the same ( M/s)? and is it just the units of k that change when the order of reaction changes?
by sas_budge_1l
Sun Mar 12, 2017 11:14 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Intermediates in pre equilibrium
Replies: 9
Views: 2310

Re: Intermediates in pre equilibrium

If there is 2 transition states with 2 steps involved in a reaction, can there only be 1 intermediate or is it possible to have 2 intermediates?
by sas_budge_1l
Wed Mar 08, 2017 9:24 am
Forum: *Complex Reaction Coordinate Diagrams
Topic: Activation energy line on reaction diagram
Replies: 3
Views: 974

Re: Activation energy line on reaction diagram

for 4.30 in the 'introduction to organic chemistry'. How do we know that an activation energy of 125KJmol-1 will not occur at room temperature?
by sas_budge_1l
Sun Mar 05, 2017 9:29 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Catalyst
Replies: 16
Views: 1609

Re: Catalyst

if a reaction rate increases by a factor of 1000 in the presence of a catalyst at 25 degrees, what does it mean? and how does this change the approach to equations involved in activation energy?
by sas_budge_1l
Mon Feb 20, 2017 9:16 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 8731
Views: 1488915

Re: Post All Chemistry Jokes Here

by sas_budge_1l
Sun Feb 12, 2017 10:36 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Work
Replies: 1
Views: 327


If ΔT=0 and w=100J. ΔU = q+w =0 which means q= -w= -1000J.
Why does q=-1000 not q=0? because if ΔT=0 and you use the equation q=nCΔT wouldn't q=0 not q=-1000J?
by sas_budge_1l
Wed Feb 01, 2017 9:49 pm
Forum: Administrative Questions and Class Announcements
Topic: Quiz 1 Preparation Answers
Replies: 130
Views: 17947

Re: Quiz 1 Preparation Answers

for #1 I don't understand why the answer is 310J not -310J
by sas_budge_1l
Sun Jan 22, 2017 1:47 pm
Forum: Phase Changes & Related Calculations
Topic: units for pressure [ENDORSED]
Replies: 2
Views: 334

units for pressure [ENDORSED]

For all equations used in thermodynamics, do we always have to convert pressure into atm(atmospheres)? and if so, do we need to know the conversions for the exams? for example from Torrs to atm?

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