{"id":25314,"date":"2025-06-18T22:18:21","date_gmt":"2025-06-18T22:18:21","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=25314"},"modified":"2025-06-18T22:18:22","modified_gmt":"2025-06-18T22:18:22","slug":"carlos-set-up-three-full-vials-beside-one-another-and-added-drops-to-see-the-surface-tensions-of-three-different-liquids","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/carlos-set-up-three-full-vials-beside-one-another-and-added-drops-to-see-the-surface-tensions-of-three-different-liquids\/","title":{"rendered":"Carlos set up three full vials beside one another and added drops to see the surface tensions of three different liquids"},"content":{"rendered":"\n<p>Carlos set up three full vials beside one another and added drops to see the surface tensions of three different liquids. Which event could be a source of error? <\/p>\n\n\n\n<p>A. The air temperature varied when someone opened a window. <\/p>\n\n\n\n<p>B. The liquids that spilled over the edges could mix on the table. <\/p>\n\n\n\n<p>C. The vials were different shapes. <\/p>\n\n\n\n<p>D. The vials were made of the same material.<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>The correct answer and explanation is:<\/strong><\/mark><\/p>\n\n\n\n<p><strong>Correct Answer: C. The vials were different shapes.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Explanation:<\/strong><\/h3>\n\n\n\n<p>Carlos is conducting an experiment to compare the <strong>surface tension<\/strong> of three different liquids by observing how many drops can be added to each vial before the liquid spills over. Surface tension is a property of a liquid that allows it to resist external forces due to cohesive forces among its molecules.<\/p>\n\n\n\n<p>For this kind of experiment to be accurate, all external and container-related factors must be controlled or kept the same\u2014except for the liquid being tested.<\/p>\n\n\n\n<p>Let\u2019s evaluate each option:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A. The air temperature varied when someone opened a window.<\/strong><br>While temperature can influence surface tension, minor fluctuations from a brief window opening are unlikely to drastically change the results in a short, controlled experiment. Still, it&#8217;s a possible but <strong>minor<\/strong> source of error.<\/li>\n\n\n\n<li><strong>B. The liquids that spilled over the edges could mix on the table.<\/strong><br>This <strong>doesn\u2019t affect the measurement<\/strong> of surface tension inside each vial. The key measurement ends when the surface breaks, so mixing on the table has no bearing.<\/li>\n\n\n\n<li><strong>C. The vials were different shapes.<\/strong><br>This is the <strong>best answer<\/strong>. The shape of the vial affects how the surface curves at the top (meniscus shape) and how many drops it can hold before spilling. A wide mouth may hold more liquid than a narrow one, not because of surface tension, but due to geometry. Therefore, using <strong>different-shaped vials introduces a major variable<\/strong> that distorts the results.<\/li>\n\n\n\n<li><strong>D. The vials were made of the same material.<\/strong><br>This is a good practice, <strong>not a source of error<\/strong>. Having the same material ensures consistent adhesion between the liquid and container surface.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Conclusion:<\/strong><\/h3>\n\n\n\n<p>Using vials of <strong>different shapes<\/strong> can lead to incorrect conclusions about surface tension, as the container geometry alters how drops accumulate and spill. This makes <strong>Option C<\/strong> the most significant source of error in Carlos&#8217;s experiment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Carlos set up three full vials beside one another and added drops to see the surface tensions of three different liquids. Which event could be a source of error? A. The air temperature varied when someone opened a window. B. The liquids that spilled over the edges could mix on the table. C. The vials [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-25314","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/25314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/comments?post=25314"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/25314\/revisions"}],"predecessor-version":[{"id":25315,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/25314\/revisions\/25315"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=25314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=25314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=25314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}