Which of the following cannot be used to show diffusion?
Select one:
a. A drop of food colori...
Chemistry, 20.02.2022 03:30 justachelseafan
Which of the following cannot be used to show diffusion?
Select one:
a. A drop of food coloring added to water.
b. Moths attracted to a flame.
c. Students leaving school at the end of the day.
d. The spreading of the gases from a car's exhaust.
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 11:00
Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean
Answers: 2
Chemistry, 22.06.2019 13:30
Table sugar completely dissolved in water is an example of a?
Answers: 1
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