General Chemistry Answers

What is the rate law of 2 NO (g) → N2O2 (g)

Why are some of the planets in our Solar system small and rocky whiles others are large, gaseous and icy?        

Why are diamond and graphite physically different even though they have the same chemical composition?        

Briefly explain why thermodynamics is an indispensable tool in geochemistry.  

Define the term “mineral”. Explain why in geochemistry, this definition may not always be true.              

1. What is biological opportunism and give one example?

2. A bacteriophage has A-form DNA. A deletion mutant has a length of 10.4 μm instead of 15 μm. How many base pairs are missing from this mutant?

3. Explain how G-quadruplex binding molecules could be developed into potential anticancer drugs.

4. What are the percentage of all the bases (A, C, & G) in DNA that is 20% thymine?

5. The base sequence of one of the strands of a 20-bp duplex DNA is 5'-TCCGTTCGACGGTACATC-3' write the base sequence of its complementary strand.

If the sum of σ and π bond is 'a' and sum of 1^o and 2^o carbon atoms is 'b' for the following molecule ____. The difference between a and b is ?

What is the ratio of De Brogile's wave lengths of Mg²⁺ ion and C⁺ ion accelerated with 100 volts potentials each.

Gylcerol can be separated from spent -lye in soap industry by _______

1. simple distillation

2. Fractional distillation

3. steam distillation

4. Distillation under reduced pressure

Which is most endothermic?

Select one:

1. Cl+e-→Cl-

2. F+e-→F-

3. O+e-→O-

4. O+e-→O2-