Chemistry Questions
What is the definition of chemistry?
The science that seeks to understand what matter does by studying atoms and molecules
Convert 254 cm to inches
100 inches
Convert 3824g to Kilograms
3.824 Kg
3.35 cm
How many Significant figures are in 0.010305
5 Significant figures
Why does soda fizz?
Soda fizzes due to the interactions between carbon dioxide and water under high pressure.
Convert 3.65 inches to Centimeters
9.27 Cm
Convert 221 g to kilograms
243000 kg
Convert 76.8 cm to m
0.768 m
3.47 x 10^-4
What is the atomic theory, and who formulated it?
The atomic theory states that all matter is composed of small indestructible particles called atoms. John Dalton formulated this.
86.42ft
Calculate the density of a cup of water with a volume of 22.6 mL and a mass of 25.3 g.
1.12 g/mL
How many square meters are in 1.0 km^2?
1.0 x 10^6 m^2
3.58 x 10^4
35800
What is the law of conservation of mass, and who discovered it?
The law states in a chemical reaction, matter is neither created nor destroyed. Antoine Lavoisier discovered it.
Convert 108 ft to meters
32.9 m
What is the volume in liters of 321 g of a liquid with a density of 0.84 g/mL?
0.38 L
What is the mass of 225 mL of a liquid that has a density of 0.880g/mL?
198 g
Perform this multiplication to the correct number of significant figures 65.2 x 0.0015 x 12.02
1.2
What is the difference between a law and a theory?
A law is simply a general statement that summarizes and predicts observed behavior. A theory seeks to explain the causes of observed behavior.
Convert 2567 inches to feet
213.9ft
The average annual per person crude oil consumption in the United States is 15,615 dm^3. What is this value in cubic inches?
9.5289 x 10^5 in^3
A circle has an area of 2659 cm^2. What is its area in square meters?
0.2659m^2
Perform this calculation to the correct number of significant figures 78.222 x (12.02-11.52)
39.11