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Explain the practice and importance of Judicial review in the US (10)

Judicial review is an exclusive power of appellate courts, most importantly the US Supreme Court (SCOTUS). It is able to overturn any judicial ruling from another court (at federal or state level) or to stri...
JW
11295 Views

Why does a catalyst speed up a chemical reaction?

A catalyst lowers the activation energy of a reaction. It does this by providing an alternative, lower energy pathway for the reaction. An example of this - a catalyst may form a complex with the reactants w...
JL
Answered by Jack L. • Chemistry tutor
8346 Views

Was anti-Semitism the main reason for Hitler's popularity in the 1930s? - 20marks

First evaluate the spelling, grammar and form of the answer. Ensure that the pupil has a good understanding of how sentences should flow and connect, as well as how to organise their argument. On the one han...
IB
Answered by India B. • History tutor
3392 Views

In the Haber process, the best yield of ammonia is produced at a low temperature. Explain why

The forward reaction, N 2 (g) + 3H 2 (g) ---> 2NH3(g) is an exothermic reaction. This means that energy is released to the surroundings during the reaction and the reaction has a negative enthalpy change....
MP
Answered by Monique P. • Chemistry tutor
22874 Views

Expand and simplify 2y+3y(5y+3)

Following the laws of BIDMAS, the bracket needs to be multiplied first (instead of adding 2y and 3y first): 2y + 15y 2 + 9y Simplify by addition of the y's: 15y 2 + 11y Optional: simplify further by grouping...
LJ
Answered by Lucy J. • Maths tutor
5163 Views