Drupal\Core\Cache\VariationCache->set() (Line: 96)
Drupal\Core\Render\RenderCache->set() (Line: 127)
Drupal\Core\Render\PlaceholderingRenderCache->set() (Line: 584)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 484)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 1140)
__TwigTemplate_ee639442899f661182d768409dda00ee___7629451->block_breadcrumb() (Line: 432)
Twig\Template->yieldBlock() (Line: 111)
__TwigTemplate_04e6306beee5ae4819d45c9bfb5407a1->doDisplay() (Line: 388)
Twig\Template->yield() (Line: 1128)
__TwigTemplate_ee639442899f661182d768409dda00ee___7629451->doDisplay() (Line: 388)
Twig\Template->yield() (Line: 592)
__TwigTemplate_ee639442899f661182d768409dda00ee___2142582684->block_hero() (Line: 432)
Twig\Template->yieldBlock() (Line: 49)
__TwigTemplate_be105626f3415cca82ff50fc59a090cc->doDisplay() (Line: 388)
Twig\Template->yield() (Line: 578)
__TwigTemplate_ee639442899f661182d768409dda00ee___2142582684->doDisplay() (Line: 388)
Twig\Template->yield() (Line: 474)
__TwigTemplate_ee639442899f661182d768409dda00ee->doDisplay() (Line: 388)
Twig\Template->yield() (Line: 344)
Twig\Template->display() (Line: 359)
Twig\Template->render() (Line: 51)
Twig\TemplateWrapper->render() (Line: 33)
twig_render_template() (Line: 348)
Drupal\Core\Theme\ThemeManager->render() (Line: 491)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 238)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 638)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 239)
Drupal\Core\Render\MainContent\HtmlRenderer->prepare() (Line: 128)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray()
call_user_func() (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 186)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 201)
Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 57)
Drupal\advban\AdvbanMiddleware->handle() (Line: 50)
Drupal\ban\BanMiddleware->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
Drupal\Core\DrupalKernel->handle() (Line: 19)
Introduces the fundamentals of chemistry. Topics include the metric system, problem-solving, periodic relationships, chemical reactions, chemical equilibrium, properties of water; acids, bases and salts; and gas laws. Keywords: Chem, Chemistry