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- Multiple ChoicePlease save your changes before editing any questions.
Why do we learn physical chemistry? You may choose more than 1 answer.
To study how matter behaves on a molecular and atomic level.
To complete the curriculum structure of Industrial Chemical Technology
To study how chemical reactions occur.
- Multiple ChoicePlease save your changes before editing any questions.
What is mol?
The measurement of amount of substance
Define as the number of 13C atoms in exactly 12 g of carbon-13
- Multiple ChoicePlease save your changes before editing any questions.
Three states of matter.
density, volume and weight
water, metal and gases
solid, liquid, and gas
- Multiple ChoicePlease save your changes before editing any questions.
Matter is something that take up space and has mass.
True
False
- Multiple ChoicePlease save your changes before editing any questions.
Anything that has definite volume but no definite shape.
Solid
Liquid
Gas
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Density is a measure of how much mass is contained in a given unit volume.
True
False
- Multiple ChoicePlease save your changes before editing any questions.
What is Avogadro's constant? You may choose more than 1 answer.
6.022 x 1023 mol-1
The amount of entities per mole
1 mol Na = 23.0 g Na = 6.022 x 1023 Na atoms.
- Multiple ChoicePlease save your changes before editing any questions.
What is/are the correct relation between these units of volume?
1 L = 1 dm3
1 mL = 1 cm3
1 L = 1000 dm3
1000 mL = 100 cm3
- Multiple ChoicePlease save your changes before editing any questions.
Extensive properties depend upon the amount of substance in the sample.
True
False
- Multiple ChoicePlease save your changes before editing any questions.
Examples of intensive properties are
temperature
pressure
mass
volume
- Multiple ChoicePlease save your changes before editing any questions.
The temperature that is defined as standard temperature.
0 K
100 K
0°C
100°C
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A form of matter having constant chemical composition and characteristic properties is known as
Element
Substance
Mixture