A 25-cm-diameter cylinder that is 36 cm long contains 60 g of oxygen gas at 20°C. For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Air in warmed tire.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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### Cylinder Containing Oxygen Gas

A cylinder with a diameter of 25 cm and a length of 36 cm contains 60 g of oxygen gas at 20°C.

For general problem-solving tips and strategies related to this topic, you may want to view a Video Tutor Solution of [Air in warmed tire](#).
Transcribed Image Text:### Cylinder Containing Oxygen Gas A cylinder with a diameter of 25 cm and a length of 36 cm contains 60 g of oxygen gas at 20°C. For general problem-solving tips and strategies related to this topic, you may want to view a Video Tutor Solution of [Air in warmed tire](#).
### Educational Content on Calculating Number Density and Reading Pressure Gauges

---

#### Part C: Calculating Number Density of Oxygen

**Question:**
What is the number density of the oxygen?

**Instructions:**
Express your answer in molecules per meter cubed.

**Input:**
\[ n = 6.4 \times 10^{25} \, \text{m}^{-3} \]

**Feedback:**
![Correct Checkmark Icon] **Correct**

**Explanation:**
Here we learn how to calculate the number density of the gas.

**Buttons:**
- Submit (grayed out)
- Previous Answers

---

#### Part D: Reading a Pressure Gauge

**Question:**
What is the reading of a pressure gauge attached to the tank?

**Instructions:**
Express your answer with the appropriate units.

**Input:**
\[ p = 260 \, \text{kPa} \]
<Button for unit selection: kPa (displayed)>

**Buttons:**
- Submit
- Previous Answers
- Request Answer

**Feedback:**
![Incorrect Icon] **Incorrect; Try Again; 4 attempts remaining**

---

**Diagrams/Icons Explained:**

1. **Correct Checkmark Icon:**
   This icon appears indicating that the answer submitted is correct.

2. **Incorrect Icon:**
   This icon appears indicating that the answer submitted is incorrect. The message also informs the student of the remaining attempts.

**Details on Tools:**

- **Unit Selection Tool:** A dropdown or selection menu allowing users to choose the correct units for their answer.

**Process:**

* For Part C, students are provided with the quantity and unit for number density and must confirm the correctness of their input.
* In Part D, students must determine the pressure reading from a gauge and input it along with the correct units. Feedback is given on the correctness of their entry.
Transcribed Image Text:### Educational Content on Calculating Number Density and Reading Pressure Gauges --- #### Part C: Calculating Number Density of Oxygen **Question:** What is the number density of the oxygen? **Instructions:** Express your answer in molecules per meter cubed. **Input:** \[ n = 6.4 \times 10^{25} \, \text{m}^{-3} \] **Feedback:** ![Correct Checkmark Icon] **Correct** **Explanation:** Here we learn how to calculate the number density of the gas. **Buttons:** - Submit (grayed out) - Previous Answers --- #### Part D: Reading a Pressure Gauge **Question:** What is the reading of a pressure gauge attached to the tank? **Instructions:** Express your answer with the appropriate units. **Input:** \[ p = 260 \, \text{kPa} \] <Button for unit selection: kPa (displayed)> **Buttons:** - Submit - Previous Answers - Request Answer **Feedback:** ![Incorrect Icon] **Incorrect; Try Again; 4 attempts remaining** --- **Diagrams/Icons Explained:** 1. **Correct Checkmark Icon:** This icon appears indicating that the answer submitted is correct. 2. **Incorrect Icon:** This icon appears indicating that the answer submitted is incorrect. The message also informs the student of the remaining attempts. **Details on Tools:** - **Unit Selection Tool:** A dropdown or selection menu allowing users to choose the correct units for their answer. **Process:** * For Part C, students are provided with the quantity and unit for number density and must confirm the correctness of their input. * In Part D, students must determine the pressure reading from a gauge and input it along with the correct units. Feedback is given on the correctness of their entry.
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