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Kaylis [27]
3 years ago
6

Define wavelength and identify TWO points that could be used in the diagram to measure it.

Chemistry
1 answer:
kumpel [21]3 years ago
5 0
Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.


-A to E
-E to F
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A & C.
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Enter the net ionic equation for the reaction between HCHO2 (a weak acid) and NaOH.
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A gas has a volume of 560 mL at a temperature of –55°C. What volume will the gas occupy at
kap26 [50]

Answer: 778 ml

Explanation:

To calculate the final temperature of the system, we use the equation given by Charles' Law. This law states that volume of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where,

V_1\text{ and }T_1 are the initial volume and temperature of the gas.

V_2\text{ and }T_2 are the final volume and temperature of the gas.

We are given:

V_1=560ml\\T_1=-55^oC=(273-55)K=218K\\V_2=?\\T_2=30.0^oC=(273+30.0)K=303K

Putting values in above equation, we get:

\frac{560ml}{218K}=\frac{V_2}{303K}\\\\V_2=778ml

Thus volume the gas occupy at 30.0°C is 778 ml

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3 years ago
A compressed gas cylinder ar 135 atm and 23°C is in a room wheree a fire occurs the fire raises the temperature of the gas to 47
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Explanation:Please see attachment for explanation

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