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snow_tiger [21]
3 years ago
8

Polyatomic ions ______.

Chemistry
1 answer:
alukav5142 [94]3 years ago
7 0
Polyatomic ions are ions that are made up of two or more atoms which are linked by covalent bonds but which still have a net deficiency or surplus of electrons, resulting in an overall charge on the group.
When a metal react with a polyatomic ion the product will be an ionic compound.
Examples of polyatomic ions are: NH4+, H3O+, MnO4-, CIO3-, etc.
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The statement “the scientific process is open ended” means:
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<h2>Explanation:</h2>

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A calculation based upon _______is only as accurate as the device used for measurement.​
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A glass laboratory flask is filled with gas at 24 ∘C and 0.95 atm pressure, sealed, and then heated to 104 ∘C. What is the press
Elan Coil [88]

The pressure inside the flask on heating it is given as 1.21 atm.

<u>Explanation:</u>

As per Guy Lussac's law, the pressure of any concealed volume of gas particles will be directly proportional to the temperature of the container of the gas particles.

So P ∝ T

To convert celsius to kelvin, add 273.15 to the temperature value in celsius

Since, here the initial temperature of the flask is given as 24°C, so in kelvin it will be 297.15 K. Similarly, the final temperature is said to be 104°C which will be equal to 377.15 K. Then the final pressure will be increased as there is increase in temperature. So, the final pressure inside the flask can be obtained as

\frac{P_{1} }{T_{1} } = \frac{P_{2} }{T_{2} }

P_{2} = \frac{P_{1} }{T_{1} } \times T_{2} =\frac{0.95}{297.15} \times 377.15 =1.21\ atm

So, the pressure inside the flask on heating it is given as 1.21 atm.

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4 years ago
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