{"type":"multi-choice","id":"2333","dataJson":{"type":"multi-choice","slide_id":20966,"key":2333,"prompt":"\u003cp\u003eWhat does concentration mean?\u003c/p\u003e","validResponse":[2791],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"when two molecules bump into each other","value":2788,"fileboyId":"5b5c7773-2d24-44d8-8d4c-a10d1496df40"},{"label":"also known as random motion, this is the spontaneous and unpredictable movement of particles or objects that results from their thermal energy","value":2790,"fileboyId":"6c0f94fc-db48-468f-bc0d-29ef2e9d8b9e"},{"label":"the difference in concentration between a region of a solution or gas that has a high concentration of particles and a region that has a relatively lower concentration of particles","value":2789,"fileboyId":"04aac1c2-7056-4211-b2bd-722010ec0ffc"},{"label":"the process by which particles or substances spread from areas of higher concentration to areas of lower concentration; it occurs as a result of random thermal motion of particles, and it is driven by the difference in concentration between two regions","value":2787,"fileboyId":"84f559ba-ef22-4c86-9092-4b0d71f93845"},{"label":"the amount of a substance present in a given volume or weight of a mixture or solution","value":2791,"fileboyId":"7eb3f156-8b0e-4c6c-8f26-111ddf0a6dfd"}],"question_data":{"slide_id":20966},"limitChoices":{"min":1,"max":1}}}
What is random movement?
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What is diffusion?
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What is a collision?
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What is a concentration gradient?
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