190 likes | 344 Views
Chemistry Bell Ringer. Take out your hmwk (reverse % comp) I’ll collect it Keep out your review sheets they are the first answer to the review game Get a board and marker We are compressing two classes into one . . .get ready. Chemistry Review Game. Eureeka!. Review Packet answers. A B C
E N D
Chemistry Bell Ringer • Take out your hmwk (reverse % comp) I’ll collect it • Keep out your review sheets they are the first answer to the review game • Get a board and marker • We are compressing two classes into one . . .get ready
Chemistry Review Game Eureeka!
Review Packet answers • A • B • C • A • D • C
6. Write the following in scientific notation: • 24388 • 0.04690
8. How many significant digits in the following: • 234 • 2500 • 0.0034 • 12.00 • 0.01010 • 2.5 x 104
14. Give the answers with the correct number of sig. figs. • 432.2 + 24.04 • 28.9 + 300.25 + 2.945 • 54 x 826 • (1.2 x 106)(3.25 x 104)
18. The results of an experiment show the Heat of Fusion to be 5.56 kJ/g. The correct answer is 4.95 kJ/g. Calculate the % Error.
19. How many grams of solute must be in 2-L of water to have a concentration of 8-ppm?
20. How many grams of ammonia chloride (g.m.f.=53.3g) are in 0.500-L of a 2.00-M solution?
21. What is the Molarity of H2SO4 if 0.25-L of solution contains 0.75 moles?
24.Give an example of another compound that would have the empirical formula of NO
26. In which Group do elements form oxides with the general formula M2O3?
27. Given the balanced equation:NaOH + HCl NaCl + H2O • What is the total number of grams of water produced when 116-g of NaCl is formed? 35.7-g of water
That is the end of the game • Tally your points • Work on your review sheets