div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5page1jpg target=_blank img data-url=s3-and-reactions-to-understand-why-it-can-be-hard-to-start-some-chemical-reac-htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: s3amazonawscoms3amazonawscomscschoolfiles9ch_5_section_3pdf · Energy and Reactions To understand why it can be hard to start some chemical reac- tions look at Figure 12 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5page2jpg target=_blank img data-url=s3-and-reactions-to-understand-why-it-can-be-hard-to-start-some-chemical-reac-htmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: s3amazonawscoms3amazonawscomscschoolfiles9ch_5_section_3pdf · Energy and Reactions To understand why it can be hard to start some chemical reac- tions look at Figure 12 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5page3jpg target=_blank img data-url=s3-and-reactions-to-understand-why-it-can-be-hard-to-start-some-chemical-reac-htmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: s3amazonawscoms3amazonawscomscschoolfiles9ch_5_section_3pdf · Energy and Reactions To understand why it can be hard to start some chemical reac- tions look at Figure 12 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5page4jpg target=_blank img data-url=s3-and-reactions-to-understand-why-it-can-be-hard-to-start-some-chemical-reac-htmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: s3amazonawscoms3amazonawscomscschoolfiles9ch_5_section_3pdf · Energy and Reactions To understand why it can be hard to start some chemical reac- tions look at Figure 12 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5thumbnails4jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imagea href=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5page5jpg target=_blank img data-url=s3-and-reactions-to-understand-why-it-can-be-hard-to-start-some-chemical-reac-htmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: s3amazonawscoms3amazonawscomscschoolfiles9ch_5_section_3pdf · Energy and Reactions To understand why it can be hard to start some chemical reac- tions look at Figure 12 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5thumbnails5jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imagea href=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5page6jpg target=_blank img data-url=s3-and-reactions-to-understand-why-it-can-be-hard-to-start-some-chemical-reac-htmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: s3amazonawscoms3amazonawscomscschoolfiles9ch_5_section_3pdf · Energy and Reactions To understand why it can be hard to start some chemical reac- tions look at Figure 12 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsnetreader042viewer20220307115af9e6dc7f8b9abd588d883dhtml5thumbnails6jpg width=140 height=200 adivdiv