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How do you calculate lattice enthaply?

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...

Answered by Chemistry tutor
2454 Views

Describe semi-conservative DNA replication

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...

PA
Answered by Prashant A. Biology tutor
4931 Views

How does having a rotating plate in a microwave help food to be heated eavenly?

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...

NR
Answered by Nassina R. Physics tutor
5296 Views

what is the centripetal force?

a force that acts on a body moving in a circular path and is directed towards the centre around which the body is moving.

OA
Answered by Othman A. Physics tutor
1606 Views

What's the subjunctive?

The subjunctive is not a tense, but a mood. It's used to express doubt, opinions, emotions, preferences, needs, orders and possibilities. It can also has a range of trigger phrases that come in the form o...

IN
Answered by Izzy N. French tutor
1815 Views

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