19. Which statement is true regarding rust found on an aluminum soda can? The rusted and the non rusted parts of the can are made of different substances. O The rusted and non rusted parts of the can are still the same substances. Rust forms on a can because it gets old. Rust forming on a can is a physical change.

19. Which statement is true regarding rust found on an aluminum soda can? The rusted and the non rusted parts of the can are made of different substances. O The rusted and non rusted parts of the can are still the same substances. Rust forms on a can because it gets old. Rust forming on a can is a physical change.

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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[References) Use the References to access important values if needed for this question. The liquid eyclohexanone has a density of 0.948 g/mL at 20.0°C. If a 173 gram sample of this compound is needed, what volume of the liquid at 20.0°C must be provided? Volume= mL Submit Answer Try Another Version 3 item attempts remaining hnical Sunnortf
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MW (mg/mmol) Density (mg/uL) Amount used vanillin 152.15 XXXXX 400.0 mg acetic anhydride 102.09 1.08 500. 0 µL 380.0 mg 194.18 ххххх vanillin acetate Calculate the amount of acetic anhydride that was present.
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Write balanced equations for the reaction of Al(OH)g with stomach acid (HCI). Express your answer as a chemical equation. Identify all of the phases in your answer. | ΑΣφ ? Submit Request Answer Part B Write balanced equations for the reaction of Mg(OH), with stomach acid (HCI). Express your answer as a chemical equation. Identify all of the phases in your answer.
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