Baker’s Yeast is usually added to dough in baking products. It contains enzymes (catalysts) that are necessary for the rising dough due to the production of carbon dioxide. Create a hypothesis and procedure to test the effect of adding yeast in baking.

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

What three things determine the shape and size of a puddle when water is poured out onto a surface

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!