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Base your answers to questions 78 and 79 on the diagram below concerning the classification of matter. Classification of Matter Matter Mixtures Substances Elements Homogeneous X 78. What type of mixture is represented by X [1] Z 79. Explain, in terms of particle arrangement, why NaCl(aq) is a homogeneous mixture. [1] 80. Which of these terms refers to matter that could be heterogeneous? (1) element (2) mixture (3) compound (4) solution Base your answer to question 81 on the information below. Cold packs are used to treat minor injuries. Some cold packs contain NH4NO3(s) and a small packet of water at room temperature before activation. To activate this type of cold pack, the small packet must be broken to mix the water and NH4NO3(s). The temperature of this mixture decreases to approximately 2°C and remains at this temperature for 10 to 15 minutes. 81. Identify the type of mixture formed when the NH4NO3(s) is completely dissolved in the water. [1]

Base your answers to questions 78 and 79 on the diagram below concerning the classification of matter. Classification of Matter Matter Mixtures Substances Elements Homogeneous X 78. What type of mixture is represented by X [1] Z 79. Explain, in terms of particle arrangement, why NaCl(aq) is a homogeneous mixture. [1] 80. Which of these terms refers to matter that could be heterogeneous? (1) element (2) mixture (3) compound (4) solution Base your answer to question 81 on the information below. Cold packs are used to treat minor injuries. Some cold packs contain NH4NO3(s) and a small packet of water at room temperature before activation. To activate this type of cold pack, the small packet must be broken to mix the water and NH4NO3(s). The temperature of this mixture decreases to approximately 2°C and remains at this temperature for 10 to 15 minutes. 81. Identify the type of mixture formed when the NH4NO3(s) is completely dissolved in the water. [1]

Chemistry
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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Mixtures Base your answers to questions 78 and 79 on the diagram below concerning the classification of matter. Classification of Matter X Matter Homogeneous Mixture Substances Elements 1 Element Homogeneous Pure Substance Grover Cleveland High School Homogeneous 78. What type of mixture is represented by X [1] Z 79. Explain, in terms of particle arrangement, why NaCl(aq) is a homogeneous mixture. [1] 1 compound Homogeneous Pure Substance 2 compounds & 2 Elements Heterogeneous Mixture 80. Which of these terms refers to matter that could be heterogeneous? (1) element (2) mixture (3) compound (4) solution Base your answer to question 81 on the information below. Cold packs are used to treat minor injuries. Some cold packs contain NH4NO3(s) and a small packet of water at room temperature before activation. To activate this type of cold pack, the small packet must be broken to mix the water and NH4NO3(s). The temperature of this mixture decreases to approximately 2°C and remains at this temperature for 10 to 15 minutes. 81. Identify the type of mixture formed when the NH4NO3(s) is completely dissolved in the water. [1] Topic 1 Study Guide Page 12
Transcribed Image Text:Mixtures Base your answers to questions 78 and 79 on the diagram below concerning the classification of matter. Classification of Matter X Matter Homogeneous Mixture Substances Elements 1 Element Homogeneous Pure Substance Grover Cleveland High School Homogeneous 78. What type of mixture is represented by X [1] Z 79. Explain, in terms of particle arrangement, why NaCl(aq) is a homogeneous mixture. [1] 1 compound Homogeneous Pure Substance 2 compounds & 2 Elements Heterogeneous Mixture 80. Which of these terms refers to matter that could be heterogeneous? (1) element (2) mixture (3) compound (4) solution Base your answer to question 81 on the information below. Cold packs are used to treat minor injuries. Some cold packs contain NH4NO3(s) and a small packet of water at room temperature before activation. To activate this type of cold pack, the small packet must be broken to mix the water and NH4NO3(s). The temperature of this mixture decreases to approximately 2°C and remains at this temperature for 10 to 15 minutes. 81. Identify the type of mixture formed when the NH4NO3(s) is completely dissolved in the water. [1] Topic 1 Study Guide Page 12
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