Please help ASAP, not too certain about the answer I initially got for this question but… What are the mole fractions of C2H6O2 and water in a solution of 17.2 g of C2H5O2 in 0.500 kg of water?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Why is the bottom layer of a trophic pyrimid the

What is bromine+calcium iodide--> calcium bromide +iodine balanced