(2) nitrogen (4) fluorine
Answer: Option (1) is the correct answer.
Explanation:
Carbon atoms are able to combine with its atoms resulting in formation of long chains. This property of carbon is known as catenation. Whereas carbon atom also has the property to combine with other atoms and results in the formation of long chains or rings.
On the other hand, oxygen, nitrogen, and fluorine does not form long chains or rings.
Thus, we can conclude that carbon is the element whose atoms can bond with each other to form long chains or rings.
b. to heat a solution
c. to decrease the surface area of a solute
d. to agitate a solution
Answer : The correct option is, (d) to agitate a solution
Explanation :
Stir bars is a type tool which is used in the chemical laboratory for mixing the solute in the solvent.
Stir bars is a magnet which is covered with such type of material that does not react with any liquid it is immersed in. Its cover is not react for any type of liquids.
The stir bar magnet is placed in a container or flask. The stir bar magnet made to spin with an external magnetic field.
The stir bar magnet is used in the laboratory to agitate a solution.
Hence, the correct option is, (d) to agitate a solution
Answer:
false
Explanation:
(B) lattice energy
(C) kinetic energy
(D) activation energy
(E) ionization energy
A = 9.60 M
B = 10.0 M
C = 4.00 M
D = 4.00 M
Answer : The value of equilibrium constant is, 0.166
Solution : Given,
Concentration of A = 9.60 M
Concentration of B = 10.0 M
Concentration of C = 4.00 M
Concentration of D = 4.00 M
The equilibrium reaction will be,
The expression for equilibrium constant is,
Now put all the given values in this expression, we get the values of equilibrium constant.
Therefore, the value of equilibrium constant is, 0.166
B) Rule
C) Theory
D) Higher