Explanation:
The temperature of the molten iron remained constant at 2750°C because of the heat absorbed to effect the phase change and not to change the temperature.
The heat of vaporization is a latent or hidden heat absorbed by substances that causes a phase change from liquid to gas.
- In essence, the heat is used to break intermolecular bonds between the particles of the melted vat.
- If enough heat is no supplied the molten vat will not boil off and become vapor.
- In transitioning from liquid to gas, heat is absorbed by a body to effect the phase change.
- When the body acquires enough heat, the particles are able to break off and boil.
- At the 2750°C mark, this is what is happening.
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Answer:
one mole of atom of any element contains6.022×1033 atoms regardless of the type of elements the mass of one mole of an element depend on what that element is and is equal to atom mass of that element in gram
Answer:
22Ω
Explanation:
Given parameters:
Potential difference = 3.3V
Current = 0.15A
Unknown:
Resistance = ?
Solution:
According to ohm's law, potential difference, current and resistance are related by the expression below;
V = I R
where V is the voltage
I is the current
R is the resistance
3.3 = 0.15 x R
R = 
= 22Ω
Answer:
The solar wind is a stream of charged particles released from the upper atmosphere of the Sun, called the corona. ... Its particles can escape the Sun's gravity because of their high energy resulting from the high temperature of the corona, which in turn is a result of the coronal magnetic field.
Explanation:
A switch connects with multiple devices, such as, computers, wireless access points, printers, and servers.
For example, this quote states that "Switches are key building blocks for any network. They connect multiple devices, such as computers, wireless access points, printers, and servers; on the same network within a building or campus. A switch enables connected devices to share information and talk to each other."
