CH 220 Esin i Make sure dust you bave our tim Baollei coraining 7 miltiple choic

Question

CH 220 Esin i Make sure dust you bave our tim Baollei coraining 7 miltiple choice westiooa and 5thort priuNoua space provided work to beceive cedi ltiple choice pointr each l, which enkr of the visible sporinum has he smallest fiequency ofiei adoillating electric magnetic fields? 2. Which of the fallermine an systems has the higheat pln? Use the phase diagam aitawer the next two qurrtions. 3. Aoeniling lo le phase dag am above, the sensieg point ofthe solid b) is equal to -20 c regardless of pressure. is equal 2ntro regardless of peessure. do is lower than the freezing point of the liquid. According to te phase diagnam above, if the solid is oo linuously hosted at am, will mall below 20 c b) sublime al -20 C, c) mell st 20 C. sublime below .20ro e) vaporize at the triple point.

Explanation / Answer

Q.1: The frequency of visible lights decreases in the following order:

Violet > Indigo > Blue > Green > Yellow > Orange > Red

Hence (b): Orange has the smallest frequency.

Q.2: Here all the solutions have same cncentration. Since all of the given compounds are acids with pKa value less than 14, they have a pH value less than 7. Hence (e): pure water will have highest pH.

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