问题2
15
The reaction causes the temperature of its surroundings to decrease is
therefore...
Chemistry, 28.05.2021 17:00 divagothboi
问题2
15
The reaction causes the temperature of its surroundings to decrease is
therefore heat is
by the reaction.
and
Select the two words that best complete this sentence.
a. endothermic, absorbed
b. exothermic, released
c. exothermic, absorbed
d. endothermic, released
Answers: 2
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, 22.06.2019 22:30
Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?
Answers: 3
Chemistry, 22.06.2019 23:00
Condensation happens when water vapor cools. true or false? ?
Answers: 2
Chemistry, 23.06.2019 15:20
Plzzz ? which stores information in discrete steps? a magnet and coil of wire compact discs plastic records amplified speakers
Answers: 2
Mathematics, 30.03.2020 17:56
History, 30.03.2020 17:57
Mathematics, 30.03.2020 17:57
Mathematics, 30.03.2020 17:57