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First we need to write down the chemical equation and balance it: O₂ + 2CO -> 2CO₂ Given the data, we can calculate ΔG using the following formula: ΔG = ΔH - TΔS However, before w...

Compared to water ice is less dense this is due to hydrogen bonds in the open lattice holding the H₂O molecules apart whereas in liquid form the hydrogen bonds break allowing the molecules of w...

Preterite: Refers to actions which took place and were completed at some point in the past. In this context it may be accompanied by time phrases such as 'ayer', 'el lunes pasado', 'hace ...

During the interwar period (1919-39) there were a series of factors that led to the start of the Second World War (WWII), such as the Treaty of Versailles, the rise of fascism and economic instability. Th...

Integration by parts formula is given in all A level maths formula books however would be of use to memorise Formula: INT(uv')dx= uv- INT(u'v)dx Hint: write lnx as (1).lnxlet u=lnxhence u' = du/dx = 1/x l...