10. A 1.65-g sample of Al is reacted with excess HCl and the hydrogen produced is collected over water at 25°C at a barometric pressure of 744 mmHg. What volume of hydrogen gas is produced in this reaction? (Vapor pressure of water at 25°C is 23.8 mmHg) 11. Nitric oxide reacts with oxygen gas as shown below: 2 NO (g) + O2 (g) 2 NO2 (g) Initially NO and O2 are separated as shown in the diagram below. When the valve is opened the reaction quickly goes to completion. Determine the identity of the gases that remain at the end of the reaction and their partial pressure. Assume temperature remains at 25°C. NO 02 4.00 L at 2.00 L at 0.500 atm 1.00 atm
Ideal and Real Gases
Ideal gases obey conditions of the general gas laws under all states of pressure and temperature. Ideal gases are also named perfect gases. The attributes of ideal gases are as follows,
Gas Laws
Gas laws describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. The very first observations about the physical properties of gases was made by Robert Boyle in 1662. Later discoveries were made by Charles, Gay-Lussac, Avogadro, and others. Eventually, these observations were combined to produce the ideal gas law.
Gaseous State
It is well known that matter exists in different forms in our surroundings. There are five known states of matter, such as solids, gases, liquids, plasma and Bose-Einstein condensate. The last two are known newly in the recent days. Thus, the detailed forms of matter studied are solids, gases and liquids. The best example of a substance that is present in different states is water. It is solid ice, gaseous vapor or steam and liquid water depending on the temperature and pressure conditions. This is due to the difference in the intermolecular forces and distances. The occurrence of three different phases is due to the difference in the two major forces, the force which tends to tightly hold molecules i.e., forces of attraction and the disruptive forces obtained from the thermal energy of molecules.
![**Question 10:**
A 1.65-g sample of Al is reacted with excess HCl, and the hydrogen produced is collected over water at 25°C at a barometric pressure of 744 mmHg. What volume of hydrogen gas is produced in this reaction? (Vapor pressure of water at 25°C is 23.8 mmHg)
**Question 11:**
Nitric oxide reacts with oxygen gas as shown below:
\[ 2 \, \text{NO} \, (g) + \text{O}_2 \, (g) \rightarrow 2 \, \text{NO}_2 \, (g) \]
Initially, NO and O₂ are separated as shown in the diagram below. When the valve is opened, the reaction quickly goes to completion. Determine the identity of the gases that remain at the end of the reaction and their partial pressure. Assume the temperature remains at 25°C.
**Diagram Explanation:**
- The diagram shows two connected containers, each containing a gas:
- The container on the left contains NO gas with a volume of 4.00 L at a pressure of 0.500 atm.
- The container on the right contains O₂ gas with a volume of 2.00 L at a pressure of 1.00 atm.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F95e5a3e7-9166-49d6-8652-557cd619886e%2F6e622300-0a71-4903-b61b-f100505e2d54%2Fsd8sjr9_processed.jpeg&w=3840&q=75)
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