Answer:
The setup above is used to collect hydrogen gas
Answer: 
Explanation:
Given
Mass of water in the sample is 
Temperature changes from 
to 
Change in temperature is 
We know, specific heat of water is 
Heat absorbed is given by
Thus, water absorbs of heat from hot plate.
Answer:
in text
Explanation:
But the main reason for using pure nitrogen is resistance to leakage. Nitrogen molecules find it harder to sneak out through the tire past the rubber molecules than oxygen molecules. This makes nitrogen a good bet for race car, aircraft and heavy-duty equipment where precise or constant pressure is critical.
BRAINLIEST PLEASE !!!!
The chemical formula for the product is RbBr.
Answer:
The apparatus used for paper chromatography are strip of spotted whatman filter paper, Organic solvents, paper strip, trough for solvent, Hook to hold the chromatography paper.
Explanation:
