Which of the following chemical compounds contains two hydrogen atoms in every molecule?
a.
water (h2o)
b.
molecular oxygen (o2)
c.
carbon dioxide (co2)
d.
calcium carbonate (caco3)

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

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

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.