<u>Answer:</u> The density of unknown material is 7.2 g/mL
<u>Explanation:</u>
We are given:
Volume of water already in the container, = 22 mL
Volume of water rise in the cylinder, V = 27 mL
Volume occupied by unknown material =
To calculate density of a substance, we use the equation:
We are given:
Mass of unknown material = 36.0000 g
Volume of unknown material = 5 mL
Putting values in above equation, we get:
Hence, the density of unknown material is 7.2 g/mL
Answer:
Volume stays.
Explanation:
If aerosol can throwing into the fire than the temperature of the aerosol can & the temperature of the contents of the gas in an aerosol will also increase, and it induces the pressure to rise.
Against the sides of the can, the gas molecules will smash rapidly with each other which are present inside an aerosol can, and the proportion of gas will stay the same as earlier. According to the law of conservation of matter, as a result of the heat, the gas particles can not be eradicated or expanded.
From boyles law.
P1v1=P2v2
So,12.3×40=v×60
V= 12.3×40/60
8.2
Answer:
Lithium hydroxide is a base.
Carbon dioxide is the anhydride of the carbonic acid, H₂CO₃.
Therefore, the reaction awaited is a typical neutralization reaction with the formation of a salt and water.
2LiOH + CO₂ → Li₂CO₃ + H₂O
So, 2*20 = 40 moles of LiOH react with 20 moles of CO₂.
Molar Mass of LiOH = 23.95 g/mol
So, 40 * 23.95 = 958 g