Answer:
Transfer of heat between two objects that are touching.
Explanation:
Conduction is the process by which heat is transferred from one object to another object that is touching and has different temperatures.
Eg: We can use a hot water pack to warm our back. Or While cooking we can feel the conduction process when heat process from the bottom of the pan to the top of the pan
5.00 moles of a binary, group 2 oxide are found to have a mass of 521 g. The group 2 metal is Strontium.
According to question 5 moles of binary group 2 metal oxide mass =521 g
So, 1-mole metal oxide mass will be =521 / 5=104.2 g
Now, as metal oxide is group 2 oxide so metal: oxygen =1: 1
So the mass of metal is =104.2-16=88.2 gm (as the atomic mass of oxygen is 16 g
Therefore, the metal is Strontium(Sr) whose atomic mass is 87.62 g which is nearly 88.2 gm
So, the formula of metal oxide is SrO
The group two metal here is Sr which is strontium and lies in the same group as calcium.
To learn more about group 2 metals, visit:
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The rate of the forward an reverse reaction are equal
Answer:
It's because the Earth is tilted on it's axis. So the second answer.
I hope that helps :)
Answer:
D) both the solid and the liquid phase
Explanation:
Metallic substances will conduct electricity in both the solid and liquid phase. Metals are generally conductors of heat and electricity.
- In metals there are free mobile electrons the enables the flow electricity.
- The free mobile electrons is utilized by the metals to conduct electricity.
- Metals generally have metallic bonds that holds their particles together.
- The metallic bonds enables metals to have a sea of delocalized electrons.
- Metals have a large atomic radius and larger electron pool.
