A student was given an unknown liquid and told that it is one of the liquids in the box below. He weighed a 50-mL graduated cylinder then he poured 20.0 mL of the liquid in it and weighed it again. He recorded the following masses in his notebook: Mass of 50-mL graduated cylinder 59.3876 g Mass of 50-ml graduated cylinder + liquid 89.2876 g Chemical Density (g/mL) 1.027 chlorobenzene 1,3-dichloropropane n-butyl bromide 1,2,3-trichlorbenzene chloroform carbon tetrachloride 1.189 1.299 1.417 1.498 1.595 What is the likely identity of the liquid? Carbon tetrachloride 1,2,3-trichlorobenzene n-butyl bromide Chloroform

Calculate the frequency of visible light having a wave length of 486 nm. Answer in s-1 to 3 sig figs

Given f(x) = x- 7, what will f(12) be equal to? 12 19

Now draw two waves on your own sheet of paper. Predict what would happen if they arrive at the same spot at the same time (also known as "in-phase"). What would be the effect? Enter your answer here Save Answer

337.1 nm(wavelength of a nitrogen laser) Express your answer using three significant figures.

5:34 PM Fri Oct 8 AA www-awn.aleks.com G periodic table -.. Favorites - YouT... TV fuboTV - Watch... ALEKS - Caliyah... G kno3 acid or ba... G linear program... G write formulas f... Solved A O CHEMICAL REACTIONS Predicting whether simple electrochemical reactions happen Caliyah v Decide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical equation for it. Be sure your chemical equation is balanced and has physical state symbols. chemical situation chemical equation reaction? A strip of solid copper metal is put into a beaker of 0.068M SnCl, solution. O yes O no 13 A strip of solid tin metal is O yes put into a beaker of O no 0.037M Cu(NO3)2 solution.

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How many signals would be present in the 'HNMR? 4 1

What is the 'H NMR splitting pattern of the indicated hydrogen? singlet doublet

3, What's the value of log 1? Group of answer choices A, 10 B, 1 C, 0 D, 2