Dimensional Analysis
Convert 0.219 kg to micrograms
2.19 x 108 micrograms
What is the molar mass of CaSO4 ?
136.134 g/mol
What is the density of 56.7 g of calcium with a volume of 0.11 L?
0.515 g/mL
When and where is my next SI session?
Tomorrow from 3-4 on zoom
Convert 8.92 x 1015 ng to kg
8920 kg
How many grams are in 2.92 mol of Li2S?
134 g
What is the mass of a solid with a density of 0.918 g/mL and a volume of 13.9 mL?
12.8 g
(4.213 x 7.1) + (198.2 / 7.44)
57
If you are traveling at 34 m/s, how fast are you traveling in mph?
1 ft = 0.3 m 1 mile = 5280 ft
77 mph
How many atoms are in 8.2 g of Be?
5.5 x 1023 atoms
What is the volume of a solid with a mass of 4.39 g and a density of 0.727 g/mL?
6.03 mL
How many protons, neutrons, and electrons?
44Ca-
p - 20
n - 24
e - 21
You travel at 64 mph for 5.1 hours, how many meters did you travel?
1 mile = 1.62 km
5.3 x 105 m
How many atoms of hydrogen are in 4.7 mol of C3H7O2 ?
2.0 x 1025 atoms
A 5.6 g rod is placed into a graduated cylinder. Before the rod was placed there were 7.2 mL of water in the graduated cylinder, after the graduated cylinder read 10.72 mL. What is the density of the rod?
1.6 g/mL
What type of bonds are in CO2?
Covalent
If you take a 359 mile trip and get 21 miles per gallon, how much would it cost if gas is $4.19 a gallon?
$71.63
How many atoms of sodium are in 82.4 g of sodium phosphide?
1.49 x 1024 atoms Na
A solid is placed in a graduated cylinder and the water is measured to be 31.4 mL. If the density is 0.649 g/mL and the mass is 12.7 g, what was the initial volume of the water?
11.8 mL
What type of bonds are in CaS?
Ionic or covalent
Ionic