How Much Heat Is Required to Convert 3kg of Ice at -9°C to Steam?

In summary, the conversation discusses finding the amount of heat required to change 3kg of ice at -9C to steam at atmospheric pressure. The person plans to calculate the energy needed for each step (heating ice to 0, changing ice to water, heating water to 100, and making water into steam) and then adding them together for the final result.
  • #1
lenarass
5
0
I got a question says "how much heat is requeired to change 3kg of ice at -9C to steam at atmospheric pressure?"

I must do step my step the energy of each step (energy needs to heat ice to 0,energy need to change ice to water, heat water at 100 and then make water to steam)
am going to find 4 indivitual energys.
Should i add them all together for the final result isn't it?
thanks
 
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  • #2
lenarass said:
I got a question says "how much heat is requeired to change 3kg of ice at -9C to steam at atmospheric pressure?"

I must do step my step the energy of each step (energy needs to heat ice to 0,energy need to change ice to water, heat water at 100 and then make water to steam)
am going to find 4 indivitual energys.
Should i add them all together for the final result isn't it?
thanks

That's right.:biggrin:
 

Related to How Much Heat Is Required to Convert 3kg of Ice at -9°C to Steam?

1. What is heat transfer?

Heat transfer is the movement of thermal energy from one object or system to another due to a temperature difference. This can occur through three main mechanisms: conduction, convection, and radiation.

2. What is the difference between conduction, convection, and radiation?

Conduction is the transfer of heat through a material without any movement of the material itself. Convection is the transfer of heat through the movement of a fluid, such as air or water. Radiation is the transfer of heat through electromagnetic waves.

3. How does heat transfer affect everyday life?

Heat transfer is essential for many processes in our daily lives. It helps regulate the temperature in our homes and buildings, allows us to cook food on a stove, and is involved in various industrial processes such as refrigeration and power generation.

4. What factors affect the rate of heat transfer?

The rate of heat transfer depends on several factors, including the temperature difference between the objects, the thermal conductivity of the material, the surface area, and the distance between the objects.

5. How is heat transfer used in engineering and technology?

Heat transfer plays a crucial role in engineering and technology. It is used to design and improve various systems, such as engines, refrigerators, and thermal insulation. It is also essential in fields like aerospace, where heat transfer must be carefully controlled to ensure the safety and efficiency of spacecraft and aircraft.

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