Extensive and Intensive Properties

Labiba Sardar 2A
Posts: 103
Joined: Sat Jul 20, 2019 12:15 am

Extensive and Intensive Properties

Why is heat capacity considered to be an extensive property whereas specific heat capacity and molar heat capacities are intensive properties?

JChen_2I
Posts: 107
Joined: Fri Aug 09, 2019 12:17 am

Re: Extensive and Intensive Properties

An extensive property depends on the amount you have. Heat capacity is extensive because the amount of energy required to raise the temperature by 1 degree is dependent on how much of the object you have. Molar and specific heat capacity are intensive because they have already defined the amount you have (1 mole or 1 gram).

AniP_2D
Posts: 95
Joined: Sat Aug 17, 2019 12:17 am

Re: Extensive and Intensive Properties

Extensive properties depend on the amount given to you, while intensive properties don't. Since the specific amount is not given to you for heat capacity, it is an extensive property however, since you are given the amount for specific heat capacity, it is an intensive property.

PranaviKolla2B
Posts: 114
Joined: Fri Aug 30, 2019 12:17 am

Re: Extensive and Intensive Properties

Does anyone have a good link explaining extensive properties versus intensive properties with examples?

Manav Govil 1B
Posts: 104
Joined: Sat Sep 07, 2019 12:19 am

Re: Extensive and Intensive Properties

I used https://www.thoughtco.com/intensive-vs- ... ies-604133 when I was studying for my exam.

Maya Beal Dis 1D
Posts: 100
Joined: Sat Aug 17, 2019 12:16 am
Been upvoted: 2 times

Re: Extensive and Intensive Properties

Extensive properties include volume, mass, and weight. Intensive properties include temperature, boiling point, and color.

Hailey Kim 4G
Posts: 110
Joined: Sat Jul 20, 2019 12:16 am

Re: Extensive and Intensive Properties

Since the heat required depends on the amount of the substance, heat capacity is an extensive property. Specific heat capacity and molar heat capacity are intensive properties because they are the heat required to raise the temperature of 1 g or 1 mol by 1 degree Celsius.

Dina 2k
Posts: 57
Joined: Wed Sep 18, 2019 12:17 am

Re: Extensive and Intensive Properties

standard reduction potential of cell is also an intensive property since the voltage difference is the same and does not depend on how much of the reaction occurs.

Jainam Shah 4I
Posts: 130
Joined: Fri Aug 30, 2019 12:16 am

Re: Extensive and Intensive Properties

Heat capacity is the amount of heat required to heat a certain amount of substance. That amount is flexible hence it is an extensive property. The heat needed will change dependent on the mass. Specific heat capacity is the heat capacity per gram. That value doesn't change. Regardless if you have 500g of something or 100 grams of something to heat 1 gram of that substance it will always be the same amount of heat needed. Same goes with molar heat capacity as it is always for one mole of a substance.

William Chan 1D
Posts: 102
Joined: Sat Sep 14, 2019 12:15 am

Re: Extensive and Intensive Properties

Extensive properties change with the amount of substance available. Intensive properties do not change with the amount of substance available. For example, if I had 10g of Fe and 100g of Fe, then the amount of heat it takes to heat up 1 g or 1 mol of that substance doesn't change.

Alan Cornejo 1a
Posts: 98
Joined: Fri Aug 30, 2019 12:15 am

Re: Extensive and Intensive Properties

Manav Govil 1B wrote:I used https://www.thoughtco.com/intensive-vs- ... ies-604133 when I was studying for my exam.

Thank you for the link, it was very hepful

805422680
Posts: 103
Joined: Sat Sep 14, 2019 12:16 am

Re: Extensive and Intensive Properties

extensive properties are dependent on the mass or amount of the substance, they are subject to change. Intensive properties, on the other hand, are independent of mass or amount and are constant for a given substance.