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Paul [167]
3 years ago
11

Rutherford's experiment showed that subatomic particles

Chemistry
2 answers:
Sunny_sXe [5.5K]3 years ago
6 0

Answer:

b. don't take up most of the space in an atom.

Explanation:

Rutherford’s gold foil experiment showed that most of the subatomic particles are confined in a small volume at the center nucleus of the atom. When Rutherford bombarded gold foil with alpha particles he observed that a small fraction of them deflected by 180 degree. So he concluded that the center of the atom is dense.

Nostrana [21]3 years ago
4 0
B. Don't take up most of the space in an atom,
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Answer:

q = -6464.9 kJ

Explanation:

We are given that the heat of combustion is  ∆H° = −394 kJ per mol of carbon.Therefore what we need to do is calculate how many moles of C are in the lump of coal by finding its mass since the density is given.

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3 years ago
Sulfur trioxide, so3, is made industrially in enormous quantities by combining oxygen and sulfur dioxide, so2. what amount (mole
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The explanation:

1- when we have the mass of SO3 in Kg so, first we have to convert it to grams:

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3- then we can use this formula to get number of moles:

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