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kramer
3 years ago
6

If a sample weighs 3500 mg, it is equivalent to : A) 35g B)0.0035kg C)3.5kg D)350g

Chemistry
1 answer:
Stels [109]3 years ago
3 0
B) 0.0035 kg Hope this helps!
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A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27g carbon and 5.69g oxygen. A sample of comp
Liono4ka [1.6K]

Answer:

law of multiple proportions

Explanation:

The law of multiple proportions states that, if two elements A and B, combine to form more than one chemical compound. Then the various masses of one element A, which combine separately with a fixed mass of element B are in  simple multiple ratio.

We can see that the ratio of oxygen that combines with carbon in the two compounds( A and B) is 1:2. This demonstrates the law of multiple proportions.

The substances A and B must be CO and CO2 respectively.

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3 years ago
6 NH4Cl<br> How many hydrogen atoms are shown?
kvasek [131]

Answer:

24

Explanation:

6*4=24

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3 years ago
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What iron gives in its abundance, it takes away in it's inability to really conduct heat and electricity well. There is enough copper around, if we are careful in its use, to make copper bottomed pots and pans. Of the three best conductors in the world (silver, gold and copper) only copper has enough around and can be inexpensively mined that we make use of it.

If you google dr. copper, you will find he is an economist as well. Copper measures the wealth of an economy by how much is used. So iron might be cheaper and more abundant, but copper will save you much more in trying to do something with it.
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4 years ago
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Which states of matter have particles that move independently of one another with very little attraction?
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Answer:

Gas

Explanation:

The gaseous state has very loose and unorganized structuring of particles, making them have little attraction and move independently.

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3 years ago
The structure is primarily double helixes
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Are you referring to DNA? 
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