{"id":48,"date":"2025-04-29T01:09:04","date_gmt":"2025-04-29T01:09:04","guid":{"rendered":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/chapter\/__unknown__-3\/"},"modified":"2026-04-14T15:36:21","modified_gmt":"2026-04-14T15:36:21","slug":"__unknown__-3","status":"web-only","type":"chapter","link":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/chapter\/__unknown__-3\/","title":{"raw":"Data Analysis & Calculations","rendered":"Data Analysis & Calculations"},"content":{"raw":"
\r\n

Instructions: Record measurements into the data table. Be sure to record all values directly from the balance & adjust for proper significant figures where applicable.<\/h2>\r\nUnknown Metal Cylinder ID ________\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\r\n

<\/p>\r\n<\/td>\r\n

\r\n

Trial 1<\/p>\r\n<\/th>\r\n

\r\n

Trial 2<\/p>\r\n<\/th>\r\n<\/tr>\r\n

\r\n

Mass of Unknown Metal Cylinder (g)<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n<\/tr>\r\n

\r\n

Mass of Styrofoam Cups & Lid (g)<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n<\/tr>\r\n

\r\n

Mass of Styrofoam Cups, Lid + Water (g)<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n<\/tr>\r\n

\r\n

Mass of Water (g)<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n<\/tr>\r\n

\r\n

Initial Temperature of Water (\u00b0C)<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n<\/tr>\r\n

\r\n

Initial Temperature of Unknown Metal Cylinder (\u00b0C)<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n<\/tr>\r\n

\r\n

Final temperature of Water + Unknown Metal Cylinder (\u00b0C)<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n

\r\n

<\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

Show calculations for each of the following:<\/p>\r\n\r\n

Trial 1:<\/h3>\r\n
    \r\n \t
  • Mass of Water (g)<\/li>\r\n \t
  • qwater\u00a0<\/sub>(J)<\/li>\r\n \t
  • qmetal\u00a0<\/sub>(J)<\/li>\r\n \t
  • Specific Heat of unknown metal (J\/g\u00b0C)<\/li>\r\n<\/ul>\r\n

    Trial 2:<\/h3>\r\n
      \r\n \t
    • Mass of Water (g)<\/li>\r\n \t
    • qwater\u00a0<\/sub>(J)<\/li>\r\n \t
    • qmetal\u00a0<\/sub>(J)<\/li>\r\n \t
    • Specific Heat of unknown metal (J\/g\u00b0C)<\/li>\r\n<\/ul>\r\nUse the chart below of known specific heat capacities to identify your metal.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
      Specific Heat Capacities of Unknown Metals<\/caption>\r\n
      Metal<\/td>\r\nSpecific Heat Capacity<\/td>\r\n<\/tr>\r\n<\/thead>\r\n
      Aluminum<\/td>\r\n0.897 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n
      Copper<\/td>\r\n0.385 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n
      Iron<\/td>\r\n0.449 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n
      Lead<\/td>\r\n0.128 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n
      Zinc<\/td>\r\n0.388 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n
      Tin<\/td>\r\n0.228 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n
      Nickel<\/td>\r\n0.444 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n
      Brass<\/td>\r\n0.380 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n
      Silver<\/td>\r\n0.235 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n
      Gold<\/td>\r\n0.129 J\/g\u00b0C<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

      <\/p>\r\n\r\n<\/div>","rendered":"

      \n

      Instructions: Record measurements into the data table. Be sure to record all values directly from the balance & adjust for proper significant figures where applicable.<\/h2>\n

      Unknown Metal Cylinder ID ________<\/p>\n\n\n\n\n\n\n\n\n\n\n
      \n

      \n<\/td>\n

      		\n

      Trial 1<\/p>\n<\/th>\n

      		\n

      Trial 2<\/p>\n<\/th>\n<\/tr>\n

      \n

      Mass of Unknown Metal Cylinder (g)<\/p>\n<\/td>\n

      		\n

      \n<\/td>\n

      		\n

      \n<\/td>\n<\/tr>\n

      \n

      Mass of Styrofoam Cups & Lid (g)<\/p>\n<\/td>\n

      		\n

      \n<\/td>\n

      		\n

      \n<\/td>\n<\/tr>\n

      \n

      Mass of Styrofoam Cups, Lid + Water (g)<\/p>\n<\/td>\n

      		\n

      \n<\/td>\n

      		\n

      \n<\/td>\n<\/tr>\n

      \n

      Mass of Water (g)<\/p>\n<\/td>\n

      		\n

      \n<\/td>\n

      		\n

      \n<\/td>\n<\/tr>\n

      \n

      Initial Temperature of Water (\u00b0C)<\/p>\n<\/td>\n

      		\n

      \n<\/td>\n

      		\n

      \n<\/td>\n<\/tr>\n

      \n

      Initial Temperature of Unknown Metal Cylinder (\u00b0C)<\/p>\n<\/td>\n

      		\n

      \n<\/td>\n

      		\n

      \n<\/td>\n<\/tr>\n

      \n

      Final temperature of Water + Unknown Metal Cylinder (\u00b0C)<\/p>\n<\/td>\n

      		\n

      \n<\/td>\n

      		\n

      \n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Show calculations for each of the following:<\/p>\n

      Trial 1:<\/h3>\n
        \n
      • Mass of Water (g)<\/li>\n
      • qwater\u00a0<\/sub>(J)<\/li>\n
      • qmetal\u00a0<\/sub>(J)<\/li>\n
      • Specific Heat of unknown metal (J\/g\u00b0C)<\/li>\n<\/ul>\n

        Trial 2:<\/h3>\n
          \n
        • Mass of Water (g)<\/li>\n
        • qwater\u00a0<\/sub>(J)<\/li>\n
        • qmetal\u00a0<\/sub>(J)<\/li>\n
        • Specific Heat of unknown metal (J\/g\u00b0C)<\/li>\n<\/ul>\n

          Use the chart below of known specific heat capacities to identify your metal.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
          Specific Heat Capacities of Unknown Metals<\/caption>\n
          Metal<\/td>\nSpecific Heat Capacity<\/td>\n<\/tr>\n<\/thead>\n
          Aluminum<\/td>\n0.897 J\/g\u00b0C<\/td>\n<\/tr>\n
          Copper<\/td>\n0.385 J\/g\u00b0C<\/td>\n<\/tr>\n
          Iron<\/td>\n0.449 J\/g\u00b0C<\/td>\n<\/tr>\n
          Lead<\/td>\n0.128 J\/g\u00b0C<\/td>\n<\/tr>\n
          Zinc<\/td>\n0.388 J\/g\u00b0C<\/td>\n<\/tr>\n
          Tin<\/td>\n0.228 J\/g\u00b0C<\/td>\n<\/tr>\n
          Nickel<\/td>\n0.444 J\/g\u00b0C<\/td>\n<\/tr>\n
          Brass<\/td>\n0.380 J\/g\u00b0C<\/td>\n<\/tr>\n
          Silver<\/td>\n0.235 J\/g\u00b0C<\/td>\n<\/tr>\n
          Gold<\/td>\n0.129 J\/g\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \n<\/div>\n","protected":false},"author":125,"menu_order":3,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-48","chapter","type-chapter","status-web-only","hentry"],"part":25,"_links":{"self":[{"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/48","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/users\/125"}],"version-history":[{"count":13,"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/48\/revisions"}],"predecessor-version":[{"id":1029,"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/48\/revisions\/1029"}],"part":[{"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/parts\/25"}],"metadata":[{"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/48\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapter-type?post=48"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/contributor?post=48"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.hcfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/license?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}