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Diano4ka-milaya [45]
3 years ago
14

Thomson's atomic model is best described by which of the following statements? (2 points)

Chemistry
1 answer:
Margaret [11]3 years ago
5 0
1 ) J.J. Thompson discovered the electron and put forward the 'plum pudding model' with charges spread evenly throughout the atom, in 1897
so the correct answer would be a positive solid sphere with electrons dispersed throughtout


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Answer: velocity

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3 years ago
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Determine the number of atoms in 5.88 moles sodium.
ozzi
1 mole ------------ 6.02x10²³ atoms
5.88 moles ---- ?

atoms = 5.88 * 6.02x10²³ / 1

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hope this helps!
4 0
3 years ago
A 3.00 L flexible container holds a sample of hydrogen gas at 153 kPa.
Lisa [10]

The volume of the flexible container that holds a sample of hydrogen gas at 153 kPa is 1.51L (option B).

<h3>How to calculate volume?</h3>

The volume of a substance can be calculated using the following formula:

P1V1 = P2V2

Where;

  • P1 = initial pressure
  • P2 = final pressure
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  • V2 = final volume

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459 = 304V2

V2 = 459/304

V2 = 1.51L

Therefore, the volume of the flexible container that holds a sample of hydrogen gas at 153 kPa is 1.51L.

Learn more about volume at: brainly.com/question/2098026

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8 0
2 years ago
What volume will 1.25 liters of carbon dioxide occupy at 50.0°C if the pressure changes from 0.865 atm to 0.820 atm?
Elena-2011 [213]

To solve this we assume that the gas inside the balloon is an ideal gas. Then, we can use the ideal gas equation which is expressed as PV = nRT. At a constant temperature and number of moles of the gas the product of PV is equal to some constant. At another set of condition of temperature, the constant is still the same. Calculations are as follows:

 

P1V1 = P2V2

V2 = P1V1 / P2

V2 = 0.865 x 1.25 / 0.820

V2 = 1.32 L

6 0
4 years ago
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