Search over 10,000 free study notes

The ball has initial momentum p₁= mu, and final momentum p₂=vm. According to the Newton's 2nd law of motion a force exerted on the ball is equal to the rate of change of momentum . I...

You can't directly measure lattice enthalpy of a solid crystal, so you have to look at a different method. Usually this would be experimentally or using Hess's Law to construct a Born-Haber cycle. The Bor...

In general, there are two types of articles in Spanish - definite and indefinite.DEFINITE articles are the equivalents of English 'the' and are used to describe a very specific object. These are: EL (sing...

The double helix structure unzips which is catalysed by the DNA Helicase enzyme. DNA Helicase overcomes hydrogen bonding between nitrogenous bases. Two strands are produced, each one acts a template. Free...

As microwaves are emitted from several different sources in a confined space, the waves are reflected off the internal walls and a interference pattern is formed. There are areas of destructive superstiti...