The rate constant for the reaction is 0.750 M−1⋅s−1 at 200 ∘C. A⟶products

If the initial concentration of A is 0.00260 M, what will be the concentration after 645 s?
[A]=
M

There are main groups in the modern periodic table of elements

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

How many atoms are there in 5.70 mol of mg