What did alexander fleming discover that earned him the 1945 novel prize of medicine?

A group of atoms held together by covalent bonds is called

A laboratory requires 2.0 L of a 1.5 M solution of hydrochloric acid (HCl), but the only available HCl is a 12.0 M stock solution. How could you prepare the solution needed for the lab experiment? show all work to find your answer

A sample has a hydrogen ion concentration of 1 ⋅ 10^-2. What happens if the hydrogen ion concentration increases?

An experiment requires 42.5 g of sulfuric acid, which is easier to measure by volume than by mass what voliume should be measured out if the denstiy of the sulfuric acid is 1.84

Express each of the following numbers in standard scientific notation: 0.2953 2953000 2.953

What is the correct orbital diagram for carbon

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What are the properties of metal, nonmetal, and mellaloids

The big bang is through to have started by an?

What is the word equation for KNO3 = KNO2 + O2