If an acyclic alkane hydrocarbon contains n carbon atoms, how many hydrogen atoms must it also contain

The answer is 2n+2

Explanation:

the general formula for defining an Alkane is

Hence for each n carbon there will be 2n+2 hydrogens present in the hydrocarbon.

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

2b2t

explanation:

2b2t