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creativ13 [48]
3 years ago
5

The matter through which waves travel is called a/an​

Chemistry
1 answer:
sweet [91]3 years ago
5 0

Answer:

A medium.

<h3>Explanation:</h3>

It's the material the wave is travelling through.

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Simora [160]

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Dependent Variable: something that changes as you change the independent variable

control variable: something that is not changed throughout the experiment

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3 years ago
A mixture of gases containing 0.20 mol of SO2 and 0.20 mol of O2 in a 4.0 L flask reacts to form SO3. If the temperature is 25ºC
diamong [38]

Answer : The pressure in the flask after reaction complete is, 2.4 atm

Explanation :

To calculate the pressure in the flask after reaction is complete we are using ideal gas equation.

PV=n_TRT\\\\P=(n_1+n_2)\times \frac{RT}{V}

where,

P = final pressure in the flask = ?

R = gas constant = 0.0821 L.atm/mol.K

T = temperature = 25^oC=273+25=298K

V = volume = 4.0 L

n_1 = moles of SO_2 = 0.20 mol

n_2 = moles of O_2 = 0.20 mol

Now put all the given values in the above expression, we get:

P=(0.20+0.20)mol\times \frac{(0.0821L.atm/mol.K)\times (298K)}{4.0L}

P=2.4atm

Thus, the pressure in the flask after reaction complete is, 2.4 atm

5 0
3 years ago
If the air in a room has lower temperature than the air coming out of a floor vent from a forced air heater , heat would flow
jolli1 [7]
To the top. Common knowledge my dude. Heat always rises to the top.
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An object which allows light to show through it unaltered is called?​
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Transparency (also called pellucidity or diaphaneity) in the field of optics is the physical property of allowing light to pass through the material without significant light dispersion.
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