The heated gas particles are moving around more and have more energy so they hit the walls of the container more often and with more force.
Answer:
the salt is left in the beaker/ boiling bowl and the process is called cyrstalisation
Explanation:
Answer:
- <u>Dependent variable</u>
Explanation:
In a controlled <em>experiment </em>there will be one independent variable, one dependent variable, and some controlled or constant parameters.
The target of the expermiment is to tes how the dependent variable changes with the independent variable.
So, the scientist will change (manipulate) the independent variable and measure the dependent vabiales.
Here, the temperature will be manipulated (within a range), so this is the independent variable; the height of the cake is the variable whose behavior wants to be determined, so this is the dependent variable. Controlled variables or constants may include the mixture, the size of the pan, the time of cooking, the oven, among others.
Answer:
boron is a non-metal and aluminium is metal. Hence, boron is a bad conductor of electricity whereas aluminium is a good conductor of electricity. Also, aluminium is more reactive as compared to boron.
Explanation:
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The answer will be (4) HI because the greater the difference of the bonds in electronegativity, the more polar a bond is.