Answer:
1 is b and 2 is d
Explanation:
because you do not know that the cat had done that you was just thinking it was the cat
Depending on what you are using the chemical could react in an explosion if the substance is not known
Answer:
The Independent variable is the variable which does not rely of the other variables. It stays the same.
The Dependent variable is the variable that is measured or changed.
Explanation:
The Independent variable is usually the x value of a table or graph
the Dependent variable is usually the y value of a table or graph
I hope this helps!
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Answer:
Q = 3440Kj
Explanation:
Given data:
Mass of gold = 2kg
Latent heat of vaporization = 1720 Kj/Kg
Energy required to vaporize 2kg gold = ?
Solution:
Equation
Q= mLvap
It is given that heat required to vaporize the one kilogram gold is 1720 Kj thus, for 2 kg
by putting values,
Q= 2kg × 1720 Kj/Kg
Q = 3440Kj
