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Chemistry
A Level

But-1-ene reacts with HBr to form a saturated compound, name and draw the mechanism, then explain how three isomeric products are formed.

The mechanism is an Electrophilic Addition. Explanation of the drawing: Draw a curly arrow from the but-1-ene double bond to the H and a curly arrow from the HBr bond to Br; forming a secondary carbocatio...

CC
Answered by Charles C. Chemistry tutor
29952 Views

For the reaction 2H2 + O2 -- 2H2O, how do I give an equation for the equilibrium constant in terms of the concentrations of products and reactants involved?

For any reaction, the equilibrium constant is given in the form: K = [products] / [reactants]

Where [ ] is used to denote the concentration of the species. 

Therefore we can substitute in fo...

LS
Answered by Liam S. Chemistry tutor
23128 Views

Define the standard enthalpy of formation

The standard enthalpy of formation of a substance is the enthalpy change when one mole of that substance is formed from the most stable allotropes of its elements in their standard states...

AG
2729 Views

Explain why alkenes can have stereoisomers

"Stereo-" refers to 3D space, like with stereo sound involving sound from all directions.  The C=C double bond has no free rotation, as this would require breaking the pi bond, which is energeti...

KB
Answered by Kieran B. Chemistry tutor
2366 Views

What are the three main factors that affect metallic bonding?

A metallic bond is the electrostatic force of attraction between the positive metals ions and the delocalised electrons. The three main factors that affect the strength of a metallic bond are: the number ...

RS
Answered by Rafay S. Chemistry tutor
44220 Views

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