Question

For college physics discussion post. Please type out the answer in paragraph form and do not submit a photo as it is hard for me to read.

• Describe the difference between temperature and heat, and give examples.
• In your own words, explain the difference heat and specific heat capacity.
• In your own words, explain types of heat transfer and give examples.
• In your own words, explain types of phase change and give examples.

Answer 1

1. Temperature and heat both are related to each other but both are different concept. Heat is a form of internal energy of system which is extensive property since it depend on mass and size of system. Heat is measured in Joule. On the other side temperature is measure of average kinetic energy of molecules in systems and it is intensive property since it doesn't depend on mass and size of system. It is measured in Kelvin. Temperature decide the flow direction of heat.

2. Specific heat capacity is quantity of heat (in J) to increase temperature of per 1 Kg mass of system by 1 Kelvin. Hence specific heat capacity is a special case of heat.

3. There are three types of heat transfer- (i) Radiation ( heat coming from Sun to Earth), (ii) Conduction (heat transfer from one end of hot iron rod to other cold end) and (iii) Convection( Heat transfer by molecules of water while warming it).

4. Melting - Solid to liquid (Ice to water)

Solidification (water to ice)

Vaporization (water to vapor)

Condensation( vapor to water)

Sublimation (Solid to gas- Candle to vapor)

I will be glad to see your comment if you have any query and thumb up if you are satisfied. Thanks....