Answer:
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Answer: 0.0022m3
Explanation:
Initial volume of mercury V1 = 0.002m3 (note that the unit of volume can be cm3, m3, dm3 or liters)
Initial temperature T1 = 20°C
Convert temperature in Celsius to Kelvin
( 20°C + 273°C = 293K)
Final temperature T2 = 50°C
( 50°C + 273°C = 323K)
Final volume V2 = ?
According to Charle's law, the volume of a fixed mass of a gas is directly proportional to the temperature.
Mathematically, Charles' Law is expressed as: V1/T1 = V2/T2
0.002/293 = V2/323
To get the value of V2, cross multiply
V2 = (323 x 0.002) / 293
V2 = 0.646 / 293
V2 = 0.0022 m3
Thus, the new volume of mercury will be 0.0022m3
<em><u>CORRECT ANSWER </u></em>
Both Mass and Energy
Answer:-
1440 cases
Explanation: -
We are told that 1 pallet = 45 bundles.
We are also told that 1 bundle = 32 cases.
We need to find how many cases are there in 1 pallet.
1 pallet = 45 bundles (First conversion factor)
= 45 x 32 cases (second conversion factor)
=1440 cases
Thus we see that 1 pallet has 1440 cases. We needed to use two conversion factors for this, first to convert pallet to bundle and second to convert bundle to cases.
Raman spectroscopy is commonly used in chemistry to provide a structural fingerprint by which molecules can be identified.
Raman spectroscopy relies upon inelastic scattering of photons, known as Raman scattering. A source of monochromatic light, usually from a laser in the visible, near infrared, or near ultraviolet range is used, although X-rays can also be used. The laser light interacts with molecular vibrations, phonons or other excitations in the system, resulting in the energy of the laser photons being shifted up or down.
