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So the first part of this question is regarding your knowledge and understanding on the subject matter. You should know that for real and equal roots, (b² - 4ac)=0. (For real and unequal roots,...

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...