Which of the molecules and polyatomic ions cannot be adequately described using a single lewis structure? hcn ch2cl2 o3 of2 co2–3 nh+4?

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?

Can someone check my work 98 5.05 acids and bases for this assignment you will be comparing acids and bases. the chart below will you organize the information needed: acids bases chemical properties (2) deodorant detergent vinger dish soap physical properties (2) orange juice toilet cleaner drain cleaner window cleaner ph level acid ph goes from 0-4 bases ph goes from 10-14 examples around you (2) vinger coffee lemon juice dark chocolate

Lord kelvin described the concept of absolute zero temperature and the laws relating to the change of thermal energy during chemical reactions what type of chemist would he be considered today