Which physical method can be used for obtaining a sample of salt from a small beaker of salt water? boiling freezing chromatography sorting

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The correct answer was given: elizediax8683

The correct answer is:

A) Boiling

Explanation:

Boiling is the fast evaporation of a water, which results when a liquid is heated to its boiling point, the temperature at which the compression pressure of the liquid is equivalent to the force exerted on the liquid by the nearby environment. Boil or steam the water and the salt will be left after as a solid. If you want to perceive the water, you can do distillation. This works because salt has a much greater boiling point than water.

The correct answer was given: Brain

answer: option (b) is the correct answer.

explanation:

a covalent bond is formed by sharing of electrons. whereas polarity arises due to difference in electronegativity of two atoms.

therefore, more is the electronegativity of an atom which combines with the titanium, more readily it will induce a partial positive and negative charge.

thus, out of the given options fluorine is most electronegative and has an incomplete octet. therefore, it will readily combine with titanium to share the electrons and complete its octet.  

The correct answer was given: Brain

sorry i was late, but i don't know what assignment your talking about, i'm in flvs as well, im in earth space science. but u are behind pace bc every class should be in the 3's or 4'

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The correct answer was given: Brain

i believe the answer is three water molecules

The correct answer was given: Brain

answer: semi-infinite solid initially at a uniform temperature of 400 ◦c is cooled at its surface by convection. the cooling fluid at a constant temperature of 200 ◦c has a convective coefficient (ha) of 250 w/m2.k. the physical properties of the solid: k = 20 w/m.k and α = 4 * 10-5  m2/s. using δx = 0.04 m and δt = 10 s. write the finite difference equations describing the transient heat transfer of the first five δx and the temperature profile after 30 s.

The correct answer was given: Brain

H tricky one let me think and get back to u

The correct answer was given: Brain

Idon't mean to be a smart alec, length of atoms' bonds is the simplest way to define it.

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