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Write an equation for the complete combustion of C9H20

Complete combustion is the oxidation of a fuel where the only products exist as CO₂ and H₂O.
C₉H₂₀ + nO₂ ==> nCO₂ + nH_2<...

Answered by Harry F. • Chemistry tutor

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To what extent was fall of the USSR in the years 1985-1990 due to the ending of the Brezhnev Doctrine?

There were several reasons behind the collapse of the USSR in the 1980s, many of which were intertwined. While the ending of the Brezhnev Doctrine, and the subsequent collapse of the Communist regimes in ...

Answered by Joe H. • History tutor

2733 Views

Explain the multi-store memory model

The multi-store memory model is a cognitive model which was designed by Atkinson and Shifrin (1968) which conceptualises the different stores of memory. It begins with the sensory store, which includes bo...

Answered by Ellen P. • Psychology tutor

3485 Views

Explore The Ways In Which Education Is Presented In D.H. Lawrence's "A Snowy Day In School"

In exam conditions the poem should be analysed first through the vectors of form and content. Form asks questions about cadence, rhythm, timbre - in this discussion we should find the sibilance (which is ...

Answered by Jacob H. • English Literature tutor

3630 Views

Why does hydrogen bonding occur in water?

Hydrogen bonding results from the great difference in electronegativity between oxygen and hydrogen. Electronegativity is the ability of an atom to pull electrons towards itself in a covalent bond. As oxy...

Answered by Myles O. • Chemistry tutor

4190 Views