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Alex787 [66]
3 years ago
15

Which is a chemical property of iron?

Chemistry
2 answers:
Marta_Voda [28]3 years ago
7 0
I believe it would be the first option. It forms iron oxide (rust) when exposed to moisture and air.
AleksAgata [21]3 years ago
7 0

The answer is A, It forms iron oxide (rust) when exposed to moisture and air. Every other option describes a physical property of iron.


I hope this helped xoxox

- Lauren

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The density of gold is 19.3 g/cm3. What is the volume of a 575 gram bar of pure gold?
Gnoma [55]

Answer:

The  answer to your question is: Volume = 29.79 cm³

Explanation:

Data

Density of gold = 19.3 g/cm3

Mass = 575 grams

Formula

density = mass / volume

Volume = mass/density

Volume = 575 g / 19.3 g/cm3

Volume = 29.79 cm³

3 0
3 years ago
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An adult with the flu has a temperature of 102°F. Express your answer as an integer.
Pie

Answer: <u>A integer is a whole number.</u>

<em>An adult with the flu has a temperature of 102°F</em>

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Explanation:

i hope this answer your question if this is wrong or correct please let me know

5 0
3 years ago
How many moles in 4 g of Ca3N2?<br><br> .027 mol<br><br> .613 mol<br><br> 2.05 mol<br><br> .760 mol
Arada [10]

Answer:

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Explanation:

3 0
2 years ago
Thallium consists of 29.5%Th-203 and 70.5%Th-205. What is the relative atomic mass of thallium?
grin007 [14]
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7 0
3 years ago
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Solve for y in the following problem: 5.3 x 10- (y)(2y)
weqwewe [10]

Answer:

The value of y = 5.1478

Explanation:

The linear equation is an equation obtained when a linear polynomial is equated to zero. When the solution obtained on solving the equation is substituted in the equation in place of the unknown, the equation gets satisfied.

The given equation: 5.3 x 10- (y)(2y) = 0

⇒ 53 - 2y² = 0

⇒ 2y² = 53

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⇒ y = √26.5 = 5.1478

8 0
3 years ago
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