<h3>Oxidising Agent</h3>
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It is opaque because you can't see anything on the other side of the apple.
An apple is red because of the frequency of light shining on it makes it seem that it is red, as it is reflected. It seems it is red because it reflects infrared waves.
Answer:
The correct answer is 0.536 atm.
Explanation:
The formula to use to solve the given question is,
P1V1 = P2V2
Based on the given information, the initial pressure (P1) of the oxygen gas is 0.656 atm, the initial volume (V1) is 10.7 L. The new volume (V2) given is 13.1 L, there is a need to find the new pressure of the gas (P2).
Now putting the values in the above equation we get,
0.656 atm * 10.7 L = P2 * 13.1 L
P2 = 0.656 atm*10.7 L/13.1 L
P2 = 0.536 atm
Answer:
10.32 moles of ammonia NH₃
Explanation:
From the question given above, the following data were obtained:
Number of molecules = 6.21×10²⁴ molecules
Number of mole of NH₃ =?
The number of mole of NH₃ can be obtained as follow:
From Avogadro's hypothesis,
6.02×10²³ molecules = 1 mole
Therefore,
6.21×10²⁴ molecules = 6.21×10²⁴ / 6.02×10²³
6.21×10²⁴ molecules = 10.32 moles
Thus, 6.21×10²⁴ molecules contains 10.32 moles of ammonia NH₃
