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Soloha48 [4]
2 years ago
12

How is water important to many branches of science?

Chemistry
1 answer:
riadik2000 [5.3K]2 years ago
4 0

Answer:

Water is capable of dissolving a variety of different substances, which is why it is such a good solvent. And, water is called the "universal solvent" because it dissolves more substances than any other liquid. This is important to every living thing on earth.

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An organic compound, which has the empirical formula C12H25 has an approximate molar mass of 338 g/mol. What is its probable mol
Marta_Voda [28]

Answer:

C24H50

Explanation:

The empirical fomula's molar mass is 169.25 g/mol.

We know the molecular formula's molar mass is 338 g/mol.

338/169.25= 1.99 or approximately 2

8 0
3 years ago
a student performed an analysis of a sample for it's calcium content and got the following results: 14.92%, 14.91%, 14.88%, 14.9
kramer
The question is asking to state the conclusion that can be formulated, base on the problem or the given analysis of the data, about the accuracy and precision  and base on my research, i would say that the Accuracy is Poor but the Precision is Good. I hope this would help you 
5 0
3 years ago
Based on the equation, how many grams of Br2 are required to react completely with 72.4 grams of AlCl3
svlad2 [7]

Answer:  131 g of bromine is required.

Explanation:

The balanced equation will be :

2AlCl_3+3Br_2\rightarrow 2AlBr_3+3Cl_2

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

moles of AlCl_3

\text{Number of moles}=\frac{72.4g}{133g/mol}=0.544moles

According to stoichiometry :

2 moles of AlCl_3 require  = 3 moles of Br_2

Thus 0.544 moles of AlCl_3 require=\frac{3}{2}\times 0.544=0.816moles  of Br_2

Mass of Br_2=moles\times {\text {Molar mass}}=0.816moles\times 160g/mol=131g

Thus 131 g of bromine is required.

5 0
2 years ago
The pH scale:
faltersainse [42]
It runs from 0 to 14. (A)

It is based off the -log [H+] where [H+] is the concentration of the Hydrogen ions.
5 0
3 years ago
Read 2 more answers
HELP!! what are the usual products of combustion reactions?
Alekssandra [29.7K]

Explanation:

Carbon dioxide and water

I hope it helps

5 0
2 years ago
Read 2 more answers
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