Valine is an amino acid with the formula c5h11no2. determine the number of moles of carbon in 99.82 g of valine.

Drug abuse will not lead to physical and psychological dependence. true or false ?

Stage in which a typical star has completely stopped fusion

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive