Arrange the protium, deuterium and tritium water in increasing order of molarity. Suppose density 1g/ml.

TLS Online TPP Program

#Question id: 59

#Biochemistry

Nitrogen (N) normally forms three covalent bonds with a valence of five. However, ammonium has four covalent bonds, each to a different hydrogen (H) atom (H has a valence of one). What do you predict to be the charge on ammonium?

TLS Online TPP Program

#Question id: 60

#Biochemistry

Which of the following is true for the reaction?

3H₂ + N₂   2NH₃

TLS Online TPP Program

#Question id: 61

#Biochemistry

Which of the following correctly describes chemical equilibrium?

TLS Online TPP Program

#Question id: 62

#Biochemistry

We can represent atoms by listing the number of protons, neutrons, and electrons—for example, 2p+, 2n0, 2e- for helium. Which of the following represents the 18O isotope of oxygen?

TLS Online TPP Program

#Question id: 63

#Biochemistry

The two molecules shown in the figures are best described as ________.

TLS Online TPP Program

#Question id: 64

#Biochemistry

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.