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+ + CH:CH Br heat Which of the following describes the reaction shown below? CH2=CH2 HBT...
43) Which of the following describes the reaction shown? CH-CH сн,сH,Br D) AH<0 and AS° <0 НВr heat + + A) AHo <0 and ASo> 0 B) AHo0 and ASo <0 C) AH = AS° =0 > E) AH>0 and AS° > 0
The exothermic reaction, A--> has AG<0. Which of the following statements are true AH<0 for the reaction AS must be greater than zero AS could be greater than or less than than zero the reaction is spontaneous in the reverse direction
Indicate whether the actions below will shift the following reaction: RIGHT, LEFT or NO CHANGE. Heat + NH4CO2NHz(s) <=> 2 NH3(g) + CO2(g) Increasing the quantity of NH4CO2NH2(s) Removing CO2(g) Increasing the volume of the container Increasing the temperature Adding a catalyst right left no change
please answer questions 9-12 Question 9 1 pts Which of the following statements describes the reactivity of alkynes? An alkyne is an electron-rich molecule and therefore reacts as a nucleophile. When a symmetrical internal alkyne reacts with HBr, two products are formed. Unlike alkenes, alkynes fail to undergo electrophilic addition reactions The o bonds of alkynes are greater in energy than the rt bonds and, therefore, are more reactive Alkynes react as electrophiles, whereas alkenes react as nucleophiles What is...
Which reaction sequence would result in the conversion shown below? Which reaction sequence would result in the conversion shown below? = > Br Вг Br. Ci (1) HBr, (2) C12 (1) Cly/hv, (2) Bra/hv (1) Brz/hv, (2) HCI (1) HCI, (2) Br2
NBS Rxn Which one of the following is a major product of the reaction? Br Br NBS Heat Br Br -Br a b C ОА а O Bb O с с O D d Save Unanswered Acid/Base Equilibrium (FE) Which arrow best describes the acid/base reaction shown below? a IZ Oo b Oz + ОН с d O Аа O B b 0 CC O D d Save
13 of 15 Kp = 1.73x10-5 for a reaction. Which of the following must be true? O AGⓇ<0 O AG°=0 O AG°>0 O AGº=1
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn < 0 b) AS rxn > 0 c) AGºrx < 0 d) Both a and c e) Both b and c
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn <0 b) AS nu>0 c) AGO < 0 d) Both a and c e) Both b and c
For the reaction CHs (a) 3 H2 (a) <=---> CgH,2 (a) + heat Determine which of the following will shift the equilibrium to the left a) adding a catalyst b) decreasing the temperature c) increasing the pressure by decreasing the volume of the container d) increasing the concentration of H2 e) increasing the concentration of CeHe f) decreasing the concentration of C H12 g) more than one correct response h) no correct response O0000O