Answers: 3
Chemistry, 22.06.2019 05:30
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 07:30
The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
Answers: 2
Chemistry, 23.06.2019 02:00
Why does ammonia, nh3, behave as a base when it reacts with an acid? z
Answers: 2
Chemistry, 23.06.2019 09:50
T(s) in2os] (m) 0 185 2.39 546 1.90 725 1.70 the decomposition of n205 can be described by the equation 2.68 given these data for the reaction at 45°c in carbon tetrachloride solution, calculate the average rate of reaction for each successive time interval. ntr s to 185 s 185 s to 546 s 546 s to 725 s number number number reaction rate: m/s m/s m/s
Answers: 1
10% of the earths water is freshwater. true or false?...
Mathematics, 15.02.2021 19:00
Mathematics, 15.02.2021 19:00
Social Studies, 15.02.2021 19:00
Mathematics, 15.02.2021 19:00
Health, 15.02.2021 19:00
Law, 15.02.2021 19:00
Mathematics, 15.02.2021 19:00
Geography, 15.02.2021 19:00
Chemistry, 15.02.2021 19:00
Mathematics, 15.02.2021 19:00
Mathematics, 15.02.2021 19:00
Mathematics, 15.02.2021 19:00