7

Why is 295 nm a good wavelength to check absorbance when testing for aspirin?

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7

What does the blue square on a volumetric flask mean?

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7

What does "organic" mean in old texts when describing plane curves and their construction?

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7

Do we really have technology with the resolution to distinguish between layers of single atoms of materials?

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7

What signal is measured at the detector in atomic absorption spectroscopy?

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7

Why does my metal phone ring stand becomes iridescent, and turns back to normal after a while?

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7

What is the definition of thermodynamic stability?

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7

Removing alkaline stain with acid

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7

What is Dornic acidity and how to measure it?

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7

Can solid acids and bases have pH values? If not, how are they classified as acids or bases?

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7

Why do different substances containing saturated hydrocarbons burns with different flame?

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7

What happens to boiled (BMIM)PF6?

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7

accurate measurement from inaccurate tools

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7

Why is only the carbonate anion used to precipitate Barium?

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7

In High Performance Liquid Chromatography, why are ratios of solvents used?

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7

Explanation for a basic decomposition of water experiment

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7

What is the equation for the reduction of water?

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7

What is the correct unit of a RI detector used for HPLC analysis?

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7

Why are synthetic pH indicators used over natural indicators?

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7

The reason for selection of wavelengths in the spectrophotometry of Quinoline Yellow SS

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7

Why will changing the solvent crack the column for column chromatography?

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7

Analysis of cations using sodium thiosulphate

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7

How to read a chromatography calibration curve?

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7

What is happening when KCl burns in a bunsen flame?

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6

When pigments absorb light only around a single particular wavelength, why aren't they still white?

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6

Predict flame test color?

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6

How are non-racemic drugs produced?

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6

What is the chemical composition of Ferrous Ferrocyanide?

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6

Best regression model for a sigmoidal pattern

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6

Equilibrium constant magnitude for concentration vs. pressure

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