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Covers classification of substances as elements or compounds, distinguishing chemical versus physical properties and changes, identifying possible measurement errors, and explaining energy transfer between a system and its surroundings. Includes questions on mass vs. weight, particle kinetic energy and heat capacity, SI base units, unit conversions, intensive versus extensive properties, mixture types, significant figures, calculations, scientific notation, and calorimetry using specific heat data.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/general-chemistry-unit-1-test-review-worksheet-practice-questions/451576/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/general-chemistry-unit-1-test-review-worksheet-practice-questions/451576.png","ImageObject",300,407,{"name":92,"@type":93},"SANS","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the key difference between mass and weight?","Question",{"text":112,"@type":113},"Mass measures the amount of matter, while weight is the force of gravity acting on that mass.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How do you classify changes as chemical or physical?",{"text":117,"@type":113},"Chemical changes form new substances and involve chemical means, while physical changes do not change the substance’s identity.",{"name":119,"@type":110,"acceptedAnswer":120},"How is density determined in the worksheet questions?",{"text":121,"@type":113},"Density is found using mass divided by volume, with work, correct units, and significant figures required.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},451576,1790959930,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":39,"preview_page_count":4},962090760505,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","General Chemistry  \nCHEMISTRY UNIT 1 TEST REVIEW WORKSHEET Name:   \n*Learning Targets Met: Classify substances as elements or compounds  \nID difference between chemical and physical properties and changes.  \nUse proper measurement techniques and ID possible errors.  \nUnderstand energy transfers between a system and its surroundings.  \nAnswer the following questions regarding what you have learned in unit 1. NOTE: Not everything that could be on the test is necessarily on this worksheet—it gives a good review of most of the main topics. Don’t forget to look at your notes, homework, labs and quizzes to get a more complete picture of everything on the test.  \n1. What is the difference between mass and weight?    \n2. A substance that can be broken down further by chemical means is    \n3. A pure substance that cannot be broken down by chemical means is   .  \n4. Five indicators that a chemical change has taken place are   ,   ,   ,   , &  \n  .  \n5. A measure of the average kinetic energy of the random motion of particles in a sample of matter is  \n.  \n6. The total kinetic energy of the particles in a sample of matter is    \n7. The amount of heat needed to raise the temperature of 1 gram of a sample by 1 Kelvin is  \n.  \n8. Write the correct SI base unit for each of the following measurements.  \na. Length:    \nb. Time:   \nc. Quantity or Amount:   \nd. Mass:   \n9. Convert the following, showing work:  \na. 4.75 centimeters to meters  \nb. 556 degrees Celsius to Kelvins  \nc. 335 kilograms to milligrams  \nd. 65211 centiliters to kiloliters  \n10. What type of measurement is “The sample has a mass of 4.5 g.”?    \n11. What type of measurement is “The sample is a blue-green color.”?   \n12. Put the following in order from smallest to largest: kg, dg, cg, g, mg, dag:    \n13. Classify the following as chemical or physical changes:  \na. Cooking an egg:   \nb. Cracking an egg:   \nc. Water is heated and changed to steam:   \nd. Ice melting:   \ne. Iron rusting:   \n14. Classify the following as being either intensive or extensive physical properties:  \na. Density:   \nb. Boiling Point:   \nc. Mass:   \nd. Energy:   \ne. Freezing Point:   \nf. Volume:   \ng. Conductivity:   \n15. Classify the following as either elements or compounds:  \na. Water (H2O):   \nb. Copper (Cu):   \nc. Salt (NaCl):   \nd. Helium (He):   \n16. Below is a data table produced by four groups of students who were measuring the mass of a paper clip which had a known mass of 1.0003 g. Which Group has the greatest accuracy and precision?    \n\n| Group 1 | Group 2 | Group 3 | Group 4 |\n| --- | --- | --- | --- |\n|  1.01 g | 2.863287 g | 1.013251 g | 2.05 g |\n|  1.03 g | 2.754158 | 1.013258 g | 0.23 g |\n|  0.99 g | 2.186357 g | 1.013255 g | 0.75 g |\n\n17. Determine the density of a substance that has a volume of 3.45 mL and a mass of 2.66 g. Show work, include correct units and significant figures in your answer.  \n18. Determine the density of a substance that has a mass of 35.02 g and a volume of 66.23 cm3. Show work, include correct units and significant figures in your answer.  \n19. Identify the following as homogenous or heterogenous mixtures.  \na. Chocolate chip cookie dough:   \nb. Sugar water:   \nc. lemonade:   \nd. Slab of granite:   \n20. Identify each of the following pictures as being heterogenous or homogenous mixtures:  \na.  b.   \n21. Determine the number of significant figures in each of the following:  \n\n| a. 20.035 g |  | d. 21400 cm |  |\n| --- | --- | --- | --- |\n| b. 0.005140 mL |  | e. 3.252 x 106 m |  |\n| c. 3.22001 kg |  | f. 0.00110011 m |  |\n\n22. Complete the following calculations, putting answers into correct significant figures.  \n\n| a. | (3 . 225) (2 . 12) (0 . 214) |  | d. | 325.01 – 21.114-3.772 |  |\n| --- | --- | --- | --- | --- | --- |\n| b. | 2100 + 2.331 + 20.01 |  | e. | (21 . 20) (2 .0) (3 .415) |  |\n| c. | 8845.23 / 214 |  | d. | 63.251 / 2.3142 |  |\n\n23. Write the following in scientific or regular notation:  \n\n| a. | 3.27 x 10-6 |  | b. | 1.11 x 109 |  |\n| --- | --- | ","cbCailahtg3D9Ote","https://ap.wps.com/l/cbCailahtg3D9Ote","pdf",647344,"English","# Learning Targets\n# Practice Questions","[{\"question\":\"What is the key difference between mass and weight?\",\"answer\":\"Mass measures the amount of matter, while weight is the force of gravity acting on that mass.\"},{\"question\":\"How do you classify changes as chemical or physical?\",\"answer\":\"Chemical changes form new substances and involve chemical means, while physical changes do not change the substance’s identity.\"},{\"question\":\"How is density determined in the worksheet questions?\",\"answer\":\"Density is found using mass divided by volume, with work, correct units, and significant figures required.\"}]","General Chemistry Unit 1 Test Review Worksheet - Practice Questions | PDF",1790735445]