Chemistry, 18.10.2020 08:01 rpegler4

8. Besides landforms, the other large features that cover the surface of the earth are .
A. islands
B. waterways
C. deserts
D. lakes

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 22:30

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Answers: 1

Answer

Chemistry, 21.06.2019 22:30

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Answers: 2

Answer

Chemistry, 22.06.2019 06:00

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

Answers: 2

Answer

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

Answer

You know the right answer?

8. Besides landforms, the other large features that cover the surface of the earth are .
A. i...

Questions