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What are the differences between sigma and pi bonds?

A sigma bond can be between s or p orbitals whereas a pi bond can only be between p orbtials

In signma bonds, atomic orbitals overlap along bonding axis, in pi bonds atomic orbitals overlap above a...

PK
Answered by Philip K. Chemistry tutor
13633 Views

Express x^2 - 7x + 2 in the form (x - p)^2 + q , where p and q are rational numbers.

This is an example of completing the square.If we expand (x - p)^2 + q, we will have x^2 -2px + p + q.Now we can use algebra to work out what p and q are from the following equation. x^2 - 7x + 2 = x^2 -2...

CP
Answered by Catherine P. Maths tutor
18393 Views

Expand (x+3)(x+1).

The Ancient Greeks perceived a much stronger relationship between Algebra and Geometry than we do today and because of that they often utilised Geometry to help think about, and solve, certain algebraic q...

DC
Answered by Daniel C. Maths tutor
3566 Views

Describe what can be used to determine the time of death of a corpse

there are five different distinct methods whihc can be used to determine time of death:

  1. Body tempreture:

The body cools after death as there are no heat producing metabolic reac...

DP
Answered by Daniella P. Biology tutor
6539 Views

Briefly describe Piaget's theory of child development.

In essence, there are two main theorists behind the stages of child development: Piaget and Vygotsky. Piaget's theory is based on the assumption of the existence of schemas. Schemas are defined by Piaget ...

DW
Answered by David W. Psychology tutor
6000 Views

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