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Why is chlorine more reactive than iodine?

Chlorine has fewer shells than iodine - chlorine has 2 and iodine has 4. We know this by referring to the periodic table. This means its outer electrons are closer to the nucleus .Because they are closer - o...
AS
Answered by Antonia S. • Chemistry tutor
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Describe the process of DNA replication.

DNA helicase unwinds the DNA double strand / causing hydrogen bonds between complimentary base pairs to break / both single strands used as templates / DNA replication is semi conservative and semi discontin...
LZ
Answered by Leia Z. • Biology tutor
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Integrate (x+3)/(x(x-3)) with respect to x

The easiest way to solve this is to split the fraction into partials.Using partial fractions, we get A/(x-3)+B/x=x+3/(x(x-3)) implies Ax+B(x-3)=x+3We want to find the values of A and B that solve this, so we...
RS
Answered by Robin S. • Maths tutor
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How do I explain that the breakdown of an ester is a hydrolysis reaction?

The breakdown of any product using water is called a hydrolysis reaction. Ester + Water ---> Alcohol + Carboxylic acid An ester splits into alcohol and carboxylic acid during its reaction with water, maki...
MU
Answered by Mamie U. • Chemistry tutor
1779 Views

(A-level but box won't let me change it from GCSE) A particle of charge q and initial speed v is stopped by a potential difference V in distance d and time t. What was its initial momentum?

Define p=momentum, E=electric field.Firstly we know that:1) ∆p/∆t = F - definition of momentum2) F = Eq - force on particle in an electric field caused by a voltage3) E = V/d - definition of electric field o...
GT
Answered by Greta T. • Physics tutor
3128 Views