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2 years ago

Which statement describes a chemical property that can be used to distinguish between compound A and compound B?

Chemistry

1 answer:

AURORKA [14]2 years ago

7 0

Answer:

Explanation:

(4) A does not burn in air, and B does burn in air is your answer. Flammability is a chemical property while the rest of these are physical properties.

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den301095 [7]

Answer:

The Periodic Table is organized in order of atomic number.

Explanation:

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Marysya12 [62]

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Calvatia craniiformis is the real answer, according to the biggest European Bilogical lecture

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3 years ago

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29.0g silver combine completely with 4.30g of sulfur to form a compound. what is the percent composition of this compound?

Deffense [45]

Answer:

Percentage of silver and sulphur in the compound is 87.08% and 12.91% respectively

Explanation:

Given:

Amount of silver = 29.0 g

Amount of sulphur= 4.30 g

To find:

Percent composition of the compound=?

Solution:

$\text { percent of compound }=\frac{\text { amount of element }}{\text { Total Molecule Mass }} \times 100$

Total Molecule mass = amount of silver + amount of sulphur

Total Molecule mass = 29+4.3

Total Molecule mass = 33.3g

Percentage of silver:

$\text { Percentage of silver }=\frac{\text { amount of silver }}{\text { Total Molecule Mass }} \times 100$

=> $\frac{29.0}{33.3}\times100$

=> $0.8708 \times100$

=> 87.08%

Percentage of silver:

$\text { Percentage of silver }=\frac{\text {amount of suplhur}}{\text { Total Molecule Mass }} \times 100$

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3 years ago

Write the complete balanced equation for the reaction that occurs when ch4 combusts in o2.

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CH4 + 2O2 ---> CO2 + 2H2O

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How many formula units are present in 25.0 mol of sodium chloride

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3 years ago