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joja [24]
3 years ago
11

Cause of iron changing to rust when it reacts with water

Chemistry
1 answer:
stellarik [79]3 years ago
5 0
Iron get OXIDIZED when it reacts with water, and then it get rusted...
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The compound methyl butanoate smells like apples. Its percent composition is 58.8% C, 9.9% H, and 31.4% O. What’s the empirical
blsea [12.9K]
To find the empirical formula you would first need to find the moles of each element:

58.8g/ 12.0g = 4.9 mol C

9.9g/ 1.0g = 9.9 mol H

31.4g/ 16.0g = 1.96 O

Then you divide by the smallest number of moles of each:

4.9/1.96 = 2.5

9.9/1.96 = 6

1.96/1.96 = 1

Since there is 2.5, you find the least number that makes each moles a whole number which is 2.

So the empirical formula is C5H12O2.
6 0
3 years ago
Which phase of matter does not change shape or volume? *
RideAnS [48]

Answer:

Solid is ur answer

Explanation:

Stay safe, stay healthy and blessed.

Have a great day !

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3 0
2 years ago
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A 1-liter bag of iv solution would contain how many cubic centimeters of fluid?
weeeeeb [17]
A 1-liter bag of IV solution would contain how many cubic centimeters of fluid?

1000 cc
8 0
3 years ago
Explain why alkanes can be described as hydrocarbons.
worty [1.4K]

Answer:

<h3>The International Union of Pure and Applied Chemistry (IUPAC) defines alkanes as "acyclic branched or unbranched hydrocarbons having the general formula CnH2n+2, and therefore consisting entirely of hydrogen atoms and saturated carbon atoms". ... The number of carbon atoms may be considered as the size of the alkane.</h3>

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2 years ago
If two objects have the same density, they must have the same
Radda [10]

Answer:

no ,its not necessary tht two objects have same volume have the same mass because the density of the material they are made up of can be different. mass and volume areindependent, two objects with thesame volume can have differentmasses. Therefore, the objects can have different densities.

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