Top answers

How do I write the full equation of a cell from two half cells? (basic, with matching electron counts and no water/acid)

Lets use an example:Fe 3+ (aq) + e - <==> Fe 2+ (aq) E 0 = +0.771 VLi + (aq) + e - <==> Li(s) E 0 = -3.040 V Step 1: Work out which half equation has the most positive standard electrode potentia...
FP
Answered by Fred P. • Chemistry tutor
2580 Views

Find the general solution to: d^(2)x/dt^(2) + 7 dx/dt + 12x = 2e^(-t)

"General Solution = Complimentary Function + Particular Integral"AE: m 2 + 7m + 12 = 0 solve for m (m+3)=0m = -4 or -3Hence the Complimentary Function = Ae -4t + Be -3t PI: [substitute u=ke -t ]u'=...
EO
3911 Views

What is the equation for photosynthesis?

6CO2 + 6H2O => (light energy) => C6H12O6 + 6O2
MT
Answered by Melanie T. • Biology tutor
3466 Views

"Discuss the disadvantages of judicial precedent." AQA A Level Law, 2017.

Judicial precedent is the incremental approach of justices in following previous case law decisions in order to maintain a stable basis for UK common law. One disadvantage is that, due to the uncodified natu...
EG
Answered by Ed G. • Law tutor
5820 Views

What is Fractional Distillation and how does it work?

Fractional Distillation is a method used in industry to separate different sized hydrocarbons (long chains that consist of hydrogen and carbon ). This is useful as it means crude oil can be separated into mo...
FP
Answered by Fred P. • Chemistry tutor
4112 Views