Answer:
In the presence of a base, blue litmus paper will turn red........
Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. Some points will be nice
Answer:
b. 4/3
Explanation:
Given data
- Final pressure: P₂ = 3 P₁
- Final temperature: T₂ = 4 T₁
We can find by what factor will the volume of the sample change using the combined gas law.

Though she hits the drum, the papers on the drum also vibrate.
This is due to the fact that when she hits the drum, the shock waves created by the hitting travel through the skin of the drum and radiate outwards. When they encounter the papers, some of this energy is transmitted to the papers and the papers also vibrate.