Write a balanced equation for the redox reactions occurring between: b) an aldehyde (rcho) and chromic acid (h2cro4) to form a carboxylic acid (rco2h) and cr 3+

In which of the following belong to a category called the main group of elements? nonmetals. transition elements. halogens. alkali metals. it can be more than one answer!

Acurium-245 nucleus is hit with a neutron and changes as shown by the equation. complete the equation by filling in the missing parts. 52

Which position represents spring in the southern hemisphere? a) b) c) d)