In graphing enthalpy entropy and state changes which two variables are included ? A. volume and temperature B. amount of heat ad
2 answers:
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<h2>Answer </h2>
The answer to this question is <u>407.5 g</u>
<h2>Explanation</h2>- The density of the substance = 1.63 g/ml
- The volum of the substance = 0.25 L
- Mass of the substance = ? (Determined)
We know that
So, 0.25 L will be equal to 250 ml. ( Unit must be same)
Formula
Se, mass of the substance is 407.5 g
Answer:5 N
Explanation:
Given
A physics major is cooking breakfast when he notices that the frictional force between his steel spatula and his Teflon frying pan is only 0.200 N
And from tables of coefficient of Kinetic friction for Teflon is
and Friction force is
where N is the normal reaction