Answer:
90.5 g
Explanation:
we know 1 mole of thyrosine = 181g
so 0.5 mole thyrosine =181*0.5
=90.5g
Answer is steel and aluminum.
Answer: 1.4 moles
Explanation:
I can only assume you are looking for the amount of moles in 0.4M. the capital M means Molarity.
Molarity=moles of solute/liters of solution
Since we know the molarity is 0.4, we can plug this into our equation

moles= 1.4
Answer:
Explanation:
A covalent bond is where electrons are shared equally between molecules. if you see the bottom of the page each oxygen is missing 2 electrons so they share two of one of their own with eachother and give oxygen a full octet. it doesnt have to be full to be a covallent bond but it just has to share them evenly rather than keep it to themselves