Unit analysis:
Covert the following, don’t forget sig digs:
1.57kg to grams
654 µm to m
2hrs to hs
0.127 L to mL
0.78𝑘𝑚𝑜𝑙
𝑚𝑚𝑜𝑙
𝑡𝑜
𝑚𝑔
𝑔
0.786𝑔
𝑘𝑔
𝑡𝑜
𝑚𝐿
𝐿
Turn the following numbers into scientific notation:
0.000764
9765000000
Turn the following numbers from scientific notation to standard form:
5.76 x 10-5
2.34 x 108
30972 x 10 -8
Find the molar mass of the following compounds, keep your answers to 3 sig digs.
H2O
NH3
HSO4-
Explain the difference(s) between Rutherford’s model and the Bohr model.