In a mechanical clock, the swinging of a pendulum causes the hands to move. The diagram shows the path of the pendulum as it swi
ngs. At which point in its swing does the pendulum have the least gravitational potential energy?
2 answers:
You might be interested in
Answer: 28.4 g of aluminum oxide is produced by the reaction of 15.0 g of aluminum metal
Explanation:
To calculate the moles :
The balanced chemical equuation is:
According to stoichiometry :
4 moles of produce == 2 moles of
Thus 0.556 moles of will produce=
of
Mass of
Thus 28.4 g of aluminum oxide is produced by the reaction of 15.0 g of aluminum metal.
Answer:
0.1667
Explanation:
Hello,
Dalton's law defines:
A total pressure is:
So, for A (solving for in the previous equation, we get:
Since , we obtain:
}
Best regards.