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Makovka662 [10]
4 years ago
9

How did Mendeleev's work help in the discovery of new elements ?

Chemistry
2 answers:
KengaRu [80]4 years ago
6 0
It helped unlock many types of door to science and life
BARSIC [14]4 years ago
5 0
It helped future scientists with their studies
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How many moles are in 400 ml of hydrogen
Nezavi [6.7K]

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403.176

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Metal

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Metal is able to be shaped or stretched into wires without breaking

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3 years ago
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How many grams of H2O is created from 60 grams of O2?<br> [2 H2 + O2 —&gt; 2 H2O]
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3 years ago
Whenever there is a change of state, such as solid to liquid or liquid to gas, heat energy can be added without a temperature ch
egoroff_w [7]

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The change of state requires energy.

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3 0
2 years ago
I have no idea how to do this
alexandr402 [8]
<span>It is known that amu is equal to the molar mass of 1 mole of substance. Therefore,
</span>
Weight of one mole of uranium = 238 g/mol


The molar mass or molecular weight for U205 is 556 g/mol.
(238 x 2) + (16 x 5) = 556 g/mol
7 0
4 years ago
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