Answer:
Moles of nitrogen monoxide gas produced from 8.0 L of oxygen gas = 6.4 L of nitrogen monoxide gas
Explanation:
Equation of reaction: 4NH₃(g) + 5O₂(g) --> 4NO(g) + 6H₂O(g)
From the equation of reaction, 5 moles of oxygen gas produces 4 moles of nitrogen monoxide gas
1 mole of a gas at STP occupies a volume of 22.4 L
5 moles of oxygen gas occupies a volume of 5 * 22.4 L = 112 L
4 moles of nitrogen monoxide as occupies a volume of 4 * 22.4 L = 89.6 L
Therefore, 89.6 L of nitrogen monoxide gas are produced from 112.0 L of oxygen
Moles of nitrogen monoxide gas produced from 8.0 L of oxygen gas = 8.0 * (89.6/112
Moles of nitrogen monoxide gas produced from 8.0 L of oxygen gas = 6.4 L of nitrogen monoxide gas
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You place 12.0 milliliters of water in a graduated cylinder. Then you add 15.0 grams of metal to the water and the new water level is 13.91 milliliters. What is the density of the metal in grams per milliliter?
Answer:
The answer is 7.85 g/mLExplanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\ [/tex]
volume = final volume of water - initial volume of water
volume = 13.91 - 12 = 1.91 mL
We have
[tex]density = \frac{15}{1.91} \\ = 7.853403141...[/tex]
We have the final answer as
7.85 g/mLHope this helps you
Answer:
Hello, Im Mack :)
Here is the Correct Solution for your question:
Answer is 7.85 g/mL
Explanation:
The density of a substance can be found by using the formula
-volume = final volume of water - initial volume of water
-volume = 13.91 - 12 = 1.91 mL
-Final Answer is: 7.85 g/mL
Hope this helped you out :)
Comment if you need further help, and I'll reply asap.
Have a great day my friend\ and best of luck to your studies :)