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gizmo_the_mogwai [7]
3 years ago
10

ASAP pleaseee and Thankyou​

Chemistry
1 answer:
Afina-wow [57]3 years ago
7 0
All of the boxes in the chart are Gg

1. 100%

2. 0%
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Compare molecule and atoms (not from the first answer that pops up when u search it please)
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Molecules are made up of atoms and are the smallest parts of compounds that still have properties. Atoms are the smallest parts of elements that still have properties.

Explanation:

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The balanced equation for water is 2 H2 + O2 to 2 H2O. If I have 21.2g of a product , and I started with 5.6 g of H2, how many g
ANTONII [103]

Since 21.2 g H2O was produced, the amount of oxygen that reacted can be obtained using stoichiometry. The balanced equation was given:  2H₂ + O₂ → 2H₂O and the molar masses of the relevant species are also listed below. Thus, the following equation is used to determine the amount of oxygen consumed.

Molar mass of H2O = 18 g/mol

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21.2 g H20 x 1 mol H2O/ 18 g H2O x 1 mol O2/ 2 mol H2O x 32 g O2/ 1 mol O2 = 18.8444 g O2

<span>We then determine that 18.84 g of O2 reacted to form 21.2 g H2O based on stoichiometry. It is important to note that we do not need to consider the amount of H2 since we can derive the amount of O2 from the product. Additionally, the amount of H2 is in excess in the reaction.</span>

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3 years ago
How is burning wood a good illustration of the law of conservation of mass?
crimeas [40]
The wood turns into ash and smoke so mass is nor destroyed or created.
6 0
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Can someone please help and list what each type of thing they are? (Element, Compound, Mixture of elements, Mixture of compounds
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1. B
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9. A

Hope this helps!
5 0
3 years ago
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