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taurus [48]
3 years ago
7

Study this chemical reaction:

Chemistry
2 answers:
Gnoma [55]3 years ago
8 0

Answer:

hi

Explanation:

im afraid i dont know sorry

have a good day though babe

muminat3 years ago
8 0

Answer:

I dont know

Explanation:

I really don't know getting those points thou.

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A chemist burns 0.8 g of iron in oxygen.
stich3 [128]

Answer:

0.3g

Explanation:

1.1 - 0.8 = 0.3

Hope this helps

7 0
3 years ago
Which element experiences greater London dispersion forces
natali 33 [55]
Its d its the only one that makes sense


8 0
3 years ago
Which element has chemical properties that are most similar to those of calcium?
iris [78.8K]
I think the answer is (1) Co. Because the element of Cobalt also has 2 electrons at the outer layer which is the same as Calcium. And the outer layer is an important factor which can affect the property of an element.
3 0
3 years ago
Read 2 more answers
What is the chemical structure of coal?<br>What is the molecular weight of coal? ​
nydimaria [60]

1) As for its chemical composition, coal is a mixture of high-molecular-weight polycyclic aromatic compounds, such as benzene C6H6, toluene C6H5CH3, xylene C6H4(CH3)2, naphthalene C10H8, anthracene C14H10, pyrene C16H10 and their derivatives with high mass fraction of carbon, as well as of water and volatile substances.

2) The coal asphaltenes have a relatively narrow MWD (full width ≈ 150 amu) with an average molecular weight of ≈340 amu. The petroleum asphaltenes display a broader MWD (full width ≈ 300 amu) and are heavier on average (≈680 amu).

~ I hope this helped, and I would appreciate Brainliest. ♡ ~ ( I request this to all the lengthy answers I give ! )

4 0
3 years ago
PLEASE HELP!!!
Inga [223]

Answer:

d=1.5\ g/cm^3

Explanation:

Given that,

The mass of the rock, m = 15 g

The volume of the rock, V = 10 cm³

We need to find the density of the rock. The density of an object is equal to the mass per unit volume such that,

d=\dfrac{m}{V}\\\\d=\dfrac{15\ g}{10\ cm^3}\\\\d=1.5\ g/cm^3

So, the density of the rock is equal to 1.5\ g/cm^3.

3 0
3 years ago
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