Podcast
Questions and Answers
What is the law of mass conservation?
What is the law of mass conservation?
What is the law of energy conservation?
What is the law of energy conservation?
What is the definition of concenteration (C) for liquids?
What is the definition of concenteration (C) for liquids?
What is the mole defined as?
What is the mole defined as?
Signup and view all the answers
What is the purpose of units of measurement?
What is the purpose of units of measurement?
Signup and view all the answers
Units of measurement are used to find or check the magnitude of relations among physical quantities by using their measurement of the same physical quantities.
Units of measurement are used to find or check the magnitude of relations among physical quantities by using their measurement of the same physical quantities.
Signup and view all the answers
Dimensions are a definite magnitude of relations among physical quantities that is used as a standard for measurement of the same physical quantities.
Dimensions are a definite magnitude of relations among physical quantities that is used as a standard for measurement of the same physical quantities.
Signup and view all the answers
Concentration for liquids can be expressed by mass of substance per unit volume of mixture.
Concentration for liquids can be expressed by mass of substance per unit volume of mixture.
Signup and view all the answers
1 mg/L is equivalent to 1 g/m3 when expressing concentration by weight.
1 mg/L is equivalent to 1 g/m3 when expressing concentration by weight.
Signup and view all the answers
The mole is defined as the amount of a substance that contains the same number of entities as there are atoms in 12 grams of pure carbon-12.
The mole is defined as the amount of a substance that contains the same number of entities as there are atoms in 12 grams of pure carbon-12.
Signup and view all the answers