Q1: Fill the below situations in the table Chemical change Physical change • Melting of wax Evaporation of alcohol • Burning a paper Dissolving salt in water • Grinding a salt, then reacting it with another • Rusting of iron Q2: Find the answer according significant figures? • 1.00021+ 0.112 - 0.0032 • 10. × 15 2.07+0.031 7.001(1.9–0.04)
Q1: Fill the below situations in the table Chemical change Physical change • Melting of wax Evaporation of alcohol • Burning a paper Dissolving salt in water • Grinding a salt, then reacting it with another • Rusting of iron Q2: Find the answer according significant figures? • 1.00021+ 0.112 - 0.0032 • 10. × 15 2.07+0.031 7.001(1.9–0.04)
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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![Q1: Fill the below situations in the table
Chemical change
Physical change
Melting of wax
• Evaporation of alcohol
• Burning a paper
• Dissolving salt in water
• Grinding a salt, then reacting it with another
• Rusting of iron
Q2: Find the answer according significant figures?
• 1.00021+ 0.112 - 0.0032
• 10. × 15
2.07+0.031
7.001(1.9–0.04)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9a6447ff-bc57-4db1-8b33-21eb77335a70%2Fb7a7b1ab-3c11-4b29-a722-dc7c144bda1b%2Fjcz9ol_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1: Fill the below situations in the table
Chemical change
Physical change
Melting of wax
• Evaporation of alcohol
• Burning a paper
• Dissolving salt in water
• Grinding a salt, then reacting it with another
• Rusting of iron
Q2: Find the answer according significant figures?
• 1.00021+ 0.112 - 0.0032
• 10. × 15
2.07+0.031
7.001(1.9–0.04)
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