(maybe you'll get brainliest) Drag the tiles to the boxes to form correct pairs. Match each type of heat transfer method with its description.

1. Conduction
2. Convection
3. Radiation

A. relates to Destiny differences within fluids
B. does not require a medium or physical contact to transfer heat
C. occurs during physical contact between solid objects not in thermal equilibrium

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.

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Which substance can be broken down by chemical means