Which best explains how dmitri mendeleev organized elements in his periodic table? o a. elements were ordered based on their discovery date. o b. elements were ordered based on their economic value. o c. elements with similar properties were grouped together. d. elements with similar atomic masses were grouped together.
If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5
What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction