Which of the following substrates will undergo cyclization and anhydride formation fastest? view available hint(s) ○ rooc-ch2-ch2-ch2-coo. rooc-ch2-c(ch3)2ch2-соо rooc-ch2-c(ch2ch3)(ch3)-ch2-coo- rooc-cmy-c(chjh. ch2-coo. ○

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change