A packet of light energy is called a
2 answers:
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Answer:
About 25 kPa
Explanation:
Pressure decreases with height above sea level.
The calculation is rather complicated, so I will refer to the figure below.
It shows that the pressure at 10 km is about 25 kPa.
Answer: Oxygen is the limiting reagent.
Explanation:
As can be seen from the given balanced equation:
3 moles of reacts with 1 mole of
1.52 moles of reacts with=
of
Thus is the limiting reagent as it limits the formation of products. (0.91-0.51)= 0.40 moles of
will remain as such and thus
is an excess reagent.
Hope this helps!! You were correct for Question 9 but incorrect for Question 10. Yes, the value comes out to be 62.4 kJ but watch out for your signs! It is definitely a positive number. Therefore, you have to consider your other choices. When I converted the 62.4 kJ to J, I found an option that matches my answer.
