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Questions and Answers
Which type of reaction releases energy to the surroundings?
Which type of reaction releases energy to the surroundings?
What type of resources are fossil fuels considered?
What type of resources are fossil fuels considered?
Which materials are derived from living organisms and the natural environment?
Which materials are derived from living organisms and the natural environment?
What is the main reason why minerals and some natural resources are not renewable?
What is the main reason why minerals and some natural resources are not renewable?
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What is the relationship between thermal expansion and temperature?
What is the relationship between thermal expansion and temperature?
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How do endothermic reactions differ from exothermic reactions in terms of energy change?
How do endothermic reactions differ from exothermic reactions in terms of energy change?
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How are pressure and state of matter related?
How are pressure and state of matter related?
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At constant temperature, what is the relationship between pressure and volume?
At constant temperature, what is the relationship between pressure and volume?
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How can substances be classified based on their structure and bonding?
How can substances be classified based on their structure and bonding?
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What happens to the physical properties of matter during a physical change?
What happens to the physical properties of matter during a physical change?
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How is mass conserved in a chemical reaction?
How is mass conserved in a chemical reaction?
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Which term describes the movement of particles in a gas state?
Which term describes the movement of particles in a gas state?
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What property distinguishes a solid from a liquid?
What property distinguishes a solid from a liquid?
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Which term best describes the ratio of elements in a compound?
Which term best describes the ratio of elements in a compound?
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What property helps in determining an unknown compound's chemical formula?
What property helps in determining an unknown compound's chemical formula?
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How is heat defined in the context of thermal energy transfer between objects?
How is heat defined in the context of thermal energy transfer between objects?
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Which process is related to pressure and temperature changes in a substance?
Which process is related to pressure and temperature changes in a substance?
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