Which sequence should isomeric dichlorobenzenes be boiled in?

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#Question id: 20247

#XL - P Chemistry

C₂H₆ (g) + 3.5 O₂ (g) →2CO₂ (g) + 3H₂O (g)

ΔSvap (H₂O, l) = x1 cal K^–1 (boiling point + T₁)

ΔHf (H₂O, l) = x₂

ΔHf (CO2) = x₃

ΔHf (C2H6) = x₄

Hence ΔH for the reaction is –

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#Question id: 19641

#XL - P Chemistry

A miscible mixture of benzene and chloroform can be separated by:

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#Question id: 2076

#XL - S Microbiology

An organism with a cell wall would most likely be unable to take in materials through:

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#Question id: 20199

#XL - P Chemistry

The relationship between energy E, of the radiation with a wavelength 8000 Å and the energy of the radiation with a wavelength 16000 Å is

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#Question id: 3849

#XL - Q Biochemistry

Which of the following is short 20 to 22-nucleotide single-stranded RNAs that block the expression of complementary or partially complementary mRNAs.