Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![### Educational Exercise
#### Question 2:
**Problem:**
The density of osmium is 22.5 grams/cm<sup>3</sup>. Calculate the mass in kilograms for an osmium metal sample with a volume of 27.5 cm<sup>3</sup>.
**Options:**
- A) 0.00122 kg
- B) 0.619 kg
- C) 0.0500 kg
- D) 1.22 kg
- E) 0.000818 kg
---
#### Question 3:
**Problem:**
Solve and express the answer with the correct number of significant figures:
\[
\frac{2.1 \times 10^{-2}}{(1.8 \times 10^3) \times (9.7 \times 10^5)}
\]
**Options:**
- A) 1.2 × 10<sup>5</sup>
- B) 11
- C) 0.12
- D) 1.2 × 10<sup>11</sup>
- E) 1.2 × 10<sup>-5</sup>
---
#### Question 4:
**Problem:**
Convert 44.0 °F to °C.
**Options:**
- A) 111.2 °C
Note: This text layout is designed for educational purposes to help students understand the process of solving physics and mathematics-related problems. Questions involve common calculations such as density, significant figures, and temperature conversions.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F41f43e47-bb7c-496a-bc10-b22de954e4c4%2Fe4bdd51b-b67c-4eaa-9d48-0d1dd2d39006%2Fdrwx20o_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Educational Exercise
#### Question 2:
**Problem:**
The density of osmium is 22.5 grams/cm<sup>3</sup>. Calculate the mass in kilograms for an osmium metal sample with a volume of 27.5 cm<sup>3</sup>.
**Options:**
- A) 0.00122 kg
- B) 0.619 kg
- C) 0.0500 kg
- D) 1.22 kg
- E) 0.000818 kg
---
#### Question 3:
**Problem:**
Solve and express the answer with the correct number of significant figures:
\[
\frac{2.1 \times 10^{-2}}{(1.8 \times 10^3) \times (9.7 \times 10^5)}
\]
**Options:**
- A) 1.2 × 10<sup>5</sup>
- B) 11
- C) 0.12
- D) 1.2 × 10<sup>11</sup>
- E) 1.2 × 10<sup>-5</sup>
---
#### Question 4:
**Problem:**
Convert 44.0 °F to °C.
**Options:**
- A) 111.2 °C
Note: This text layout is designed for educational purposes to help students understand the process of solving physics and mathematics-related problems. Questions involve common calculations such as density, significant figures, and temperature conversions.
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Given expression is a mathematical expression in which multiplication and devidation rule applied
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