Podcast
Questions and Answers
What is the law of mass conservation?
What is the law of mass conservation?
- Units of measurement
- Amount of materials which consume and produce (correct)
- Materials balance
- Amount of energy into and get out the system
What is the law of energy conservation?
What is the law of energy conservation?
- Materials balance
- Amount of energy into and get out the system (correct)
- Amount of materials which consume and produce
- Units of measurement
What is the definition of concenteration (C) for liquids?
What is the definition of concenteration (C) for liquids?
- Expressed by weight
- Expressed by mass of substance per mass of mixture
- Defined as the am
- Expressed by mass of substance per unit volume of mixture (correct)
What is the mole defined as?
What is the mole defined as?
What is the purpose of units of measurement?
What is the purpose of units of measurement?
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.
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.
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.
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.
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.
