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Zolol [24]
3 years ago
13

What do all the atomic models have in common?

Chemistry
1 answer:
Viefleur [7K]3 years ago
4 0
All atomic models have a nucleus
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What two pieces of evidence did van Helmont use to reach his conclusion
Sav [38]

Explanation:

He weighed silver, dissolved it in acid, and then recovered all the original silver by reacting the solution with copper. He also showed, by using iron to recover the copper, that this displacement of one metal from its salt by using a second metal was not because of transmutation, as many had held.

6 0
2 years ago
with strong heating calcium carbonate undergoes thermal decomposition how many mole of CaCO3 are there in 50g of calcium carbona
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Ca=40
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1 mole of CaCO3 has 100 grams
So 50 grams is 0.5 mole
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2 years ago
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At what temperature (hot or cold) can we dissolve a gas in a solution
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Depends on the gas and grams of solute. If you were able to give me a gas i would be able to help you but i cannot without the gas or chemical makeup.

4 0
3 years ago
what is the concentration (molarity) of a solution that has 0.150 moles of sodium chloride dissolved in 0.900 L solution
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4 years ago
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