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vekshin1
3 years ago
11

Why is chemistry called the central science

Chemistry
2 answers:
Serga [27]3 years ago
8 0
Chemistry is called central science mainly because it is important to other fields of science like biology, geology, physics, etc. Mostly because everything we interact with on a daily- basis involves with chemistry.
elena55 [62]3 years ago
7 0
Chemistry<span> is often </span>called the central science<span> because of its role in connecting the physical </span>sciences<span>, which include </span>chemistry<span>, with the life </span>sciences<span> and applied </span>sciences<span> such as medicine and engineering.</span>
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How many moles are in 85.0 grams of water
alexgriva [62]
To convert from grams to moles, you must divide the given mass by the molecular weight. If this is so, then:

Water ≈ 18.02 grams/mol.

85.0 g/ 18.02 g/mol ≈ 4.72 moles
3 0
3 years ago
36 g of water vapor takes up how many liters at room temperature and pressure of 293K and 100 K PA
crimeas [40]

100kpa is correct .100 kpa is correct

6 0
4 years ago
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The compound 1,1-difluoroethane decomposes at elevated temperatures to give fluoroethylene and hydrogen fluoride: CH3CHF2(g) → C
Maru [420]

Answer : The final temperature would be, 791.1 K

Explanation :

According to the Arrhenius equation,

K=A\times e^{\frac{-Ea}{RT}}

or,

\log (\frac{K_2}{K_1})=\frac{Ea}{2.303\times R}[\frac{1}{T_1}-\frac{1}{T_2}]

where,

K_1 = rate constant at 460^oC = 5.8\times 10^{-6}s^{-1}

K_2 = rate constant at T_2 = 4\times K_1

Ea = activation energy for the reaction = 265 kJ/mol = 265000 J/mol

R = gas constant = 8.314 J/mole.K

T_1 = initial temperature = 460^oC=273+460=733K

T_2 = final temperature = ?

Now put all the given values in this formula, we get:

\log (\frac{4\times K_1}{K_1})=\frac{265000J/mol}{2.303\times 8.314J/mole.K}[\frac{1}{733K}-\frac{1}{T_2}]

T_2=791.1K

Therefore, the final temperature would be, 791.1 K

4 0
3 years ago
H3PO4 nomenclatura quimica
svetoff [14.1K]
La nomenclatura química de H3PO4 es Ácido fosfórico

Or in English
Phosphoric acid
4 0
3 years ago
An atom that ______ electrons is called a positive ion. A. has 0 B. has 8 C. loses D. gains
Kitty [74]

Answer:

Gains

Explanation:

It gets more electrons

8 0
3 years ago
Read 2 more answers
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