Significant Figures Worksheet Name: Write the number of significant digits in each measurement: 1. 2804 m 2. 2.84 km 3. 5.029 m 4. 0.003068 m 5. 4.6 x 105 m 6. 4.06 x 10-5 m 7. 750 m 8. 75 m 9. 75,000 m 10. 75.00 m 11. 75,000.0 m 12. 10 cm Answer the following questions with the appropriate significant digits and units: 13. 6.201 cm 7.4 cm 0.68 cm 12.0 cm

Answer from each drop-down menu. e characteristics of a borane molecule (bh). the lewis structure and table of electronegativities are given olecular shape is and the molecule is reset next erved. search e a

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

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.