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Aleks [24]
3 years ago
12

Does the amount of a substance affect the properties of a substance?

Chemistry
1 answer:
Veseljchak [2.6K]3 years ago
5 0
No, the properties of a substance are not affected by the amount of a substance.
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The Law of _____states that substances combine in predictable proportions and that excess reactants remain unchanged.
RideAnS [48]

Answer: definite proportions.


Explanation:


1) The definite proportions law states that compounds will always have the same kind of atoms (elements) in the same mass proportion (ratios).


2) For example, a molecule of water will alwys have the same mass ratio of hydrogen atoms to oxygen atoms. That is what permits to obtain the chemical formula of the water molecule as H₂O.


The mass of the two hydrogen atoms will be in a fixed ratio respect to the mass of the oxygen atoms.


Then, if you have one reactant in less proportion than the other, respect to the ratio stated by the chemical formula of water, the former will react completely (it is the limiting reactant) with the corresponding (proportional) mass of the later. Then there will be an excess of the later reactant which will not react (will remain unchanged).


The reactants can only react in the proportion defined by the chemical formulas of the final products.

4 0
3 years ago
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The two weather maps show a front moving across Texas in which of the following cities would a decrease in temperature be predic
Nadusha1986 [10]

Answer:

San Antonio and Dallas Texas

Explanation:

8 0
3 years ago
If calcium has two valence electrons and sulfur has six, how many calcium atoms are needed to form an ionic bond with sulfur?
Kipish [7]
3 calcium atoms would be needed.
3 0
2 years ago
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Which additional product balances the reaction H2SO4 + 2NaOH → Na2SO4 + ? 2H2O 2OH H2O2 H3O
Masteriza [31]

Answer:

a) 2H2O

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Which reaction below represents a balanced, single replacement chemical reaction?
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The balanced chemcial equation is B. So to do single, we need to look at where would Li stand on the metals chart (For my class we have a chart to see which element is the highest on the metals chart) . So since Li is higher, F needs to go with Li, leaving Ba alone.

I hope this helps you!
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2 years ago
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