The correct number of significant figures in the number 0.02090:
How many significant digits should be reported in the answer to the following calculation:
(14.3-13.72) x 12.34=
Determine the answer to the following equation with correct number of significant figures:
(4.123 x 0.12) + 24.2=
How many grams are in 1.48 x 107 ug?
What is the density (g/mL) of an object that has the mass of 0.03089 lbs and a volume of 0.29oz?
0.03089lb x 453.6g = 14.012g
0.29oz x 29.57mL = 8.57mL
d=m d=14.012g = 1.6g/mL
Which state of matter has indefinite shape and is compressible?
Which of the following items is a pure substance?
Which of the following items is a mixture?
Which of the following items is a physical property?
B. the odor of spearmint gum
If a solid piece of shiny sodium metal is exposed to chlorine gas, a large amount oh heat is released and white, solid, sodium chloride forms. Based on this information, which of the following is true?
D. this process was exothermic
A silver base has a mass of 247g and, when placed in 10.0mL of water, changes the water level to 173.5mL.
Calculate the density of silver in g/mL: