Chemistry, 06.06.2020 18:02 kaliebeckp8vqrs
Classify each of the following changes as physical or chemical. Drag the appropriate items to their respective bins. 1. A silver surface becomes tarnished 2. A platinum ring becomes dull because of continued abrasion 3. Sugar burns when heated on a skillet. 4. Sugar dissolves in water fter exposure to air for a long period of time. a. Physical b. Chemical
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What forms when chemical reactions combine pollution with sunlight?
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Particles vibrate in a rigid structure and do not move relative to their neighbors.
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Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
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Classify each of the following changes as physical or chemical. Drag the appropriate items to their...
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