{"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":"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":"when two molecules bump into each other","value":2788,"fileboyId":"5b5c7773-2d24-44d8-8d4c-a10d1496df40"},{"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"},{"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 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"}],"question_data":{"body":"Remember: concentration refers to the amount of a substance present in a given volume. ","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/af9f183b-e0c2-4dfc-b75d-03286e198ba5?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is random movement?
Choose 1 answer
{"type":"multi-choice","id":"2334","dataJson":{"type":"multi-choice","slide_id":13830,"key":2334,"prompt":"\u003cp\u003eWhat is random movement?\u003c/p\u003e","validResponse":[2790],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"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"},{"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":"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"}],"question_data":{"body":"In the particle model of diffusion, we think of the particles in a substance as tiny balls that are constantly moving and bouncing into each other. Over time, the particles in a gas or a liquid move from an area of high concentration (where there are a lot of particles close together) to an area of low concentration (where there are fewer particles spread out). ","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/9c657893-0aa5-4c44-8e35-2ef63421abef?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is diffusion?
Choose 1 answer
{"type":"multi-choice","id":"2337","dataJson":{"type":"multi-choice","slide_id":13823,"key":2337,"prompt":"\u003cp\u003eWhat is diffusion?\u003c/p\u003e","validResponse":[2787],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"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":"when two molecules bump into each other","value":2788,"fileboyId":"5b5c7773-2d24-44d8-8d4c-a10d1496df40"},{"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":{"body":"This process is called “diffusion”. It occurs as a result of random thermal motion of particles, and it is driven by the difference in concentration between two regions. The movement of particles from high to low concentration continues until the concentration is equalised throughout the system.","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/2829a06f-075e-4d45-ac17-7b83db380150?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is a collision?
Choose 1 answer
{"type":"multi-choice","id":"2336","dataJson":{"type":"multi-choice","slide_id":13830,"key":2336,"prompt":"\u003cp\u003eWhat is a collision?\u003c/p\u003e","validResponse":[2788],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"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 amount of a substance present in a given volume or weight of a mixture or solution","value":2791,"fileboyId":"7eb3f156-8b0e-4c6c-8f26-111ddf0a6dfd"},{"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 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"}],"question_data":{"body":"In the particle model of diffusion, we think of the particles in a substance as tiny balls that are constantly moving and bouncing into each other. Over time, the particles in a gas or a liquid move from an area of high concentration (where there are a lot of particles close together) to an area of low concentration (where there are fewer particles spread out). ","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/9c657893-0aa5-4c44-8e35-2ef63421abef?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
What is a concentration gradient?
Choose 1 answer
{"type":"multi-choice","id":"2335","dataJson":{"type":"multi-choice","slide_id":56507,"key":2335,"prompt":"\u003cp\u003eWhat is a concentration gradient?\u003c/p\u003e","validResponse":[2789],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"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":"when two molecules bump into each other","value":2788,"fileboyId":"5b5c7773-2d24-44d8-8d4c-a10d1496df40"},{"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 amount of a substance present in a given volume or weight of a mixture or solution","value":2791,"fileboyId":"7eb3f156-8b0e-4c6c-8f26-111ddf0a6dfd"},{"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"}],"question_data":{"body":"We observe a “concentration gradient”: 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. ","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/48dc5114-e987-4887-a3e3-90c66ea4b9d6?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}
Answer incorrect
Look at the slide below to work out the answer.
Stay connected
Join our newsletter to stay up to date on features and releases
Address
Developing Experts Limited Exchange Street Buildings 35-37 Exchange Street Norwich NR2 1DP UK
