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Nadya [2.5K]
4 years ago
5

Why Can alloys not be described using chemical formulas?

Chemistry
2 answers:
Reptile [31]4 years ago
6 0
Alloys are homogeneous mixtures, they are not compounds like others and hence donot have formula
svetoff [14.1K]4 years ago
6 0

Answer:

A) Alloys are mixtures with undefined proportions.

Explanation:

Alloys are different mixtures or different materials with no exact portion size.  

brainliest?  :)

          -Hope this helps, have a good day loves <3

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How many protons are in this atom if it has a balanced charge?<br> - 0<br> - 2<br> - 4<br> - 6
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Answer:

6

Explanation:

If there are 6 electrons and it has a balanced charge, there also must be six protons.

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Consider the chemical equation in equilibrium.
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Answer:

The forward reaction will be favored.

Explanation:

The reaction is:

2H_{2}(g)+2O_{2}(g)--->2H_{2}O(g)

As per equation (equilibrium equation), there are two moles of gaseous molecules on product side and three moles of reactant side.

a) If we increase pressure, the volume will decrease.

b) Due to decrease in volume, the moles per unit volume will increase.

c) In order to attain equilibrium again, the system will shift in the direction where it can nullify this effect [Le Chatelier's principle]

d) This can be done, if system moves in the direction where number of moles of gaseous molecules are less, which is product side.

e) Thus forward reaction will be favored.

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Is likely that a major volcanic eruption will occur on the mainland of the United States?
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A sample in the laboratory is found to contain 3.36 grams of hydrogen, 20.00 grams of carbon, and 26.64 grams of oxygen. The mol
KonstantinChe [14]

Answer:

Empirical formula is CH₂O.

Molecular formula = C₆H₁₂O₆

Explanation:

Given data:

Mass of hydrogen = 3.36 g

Mass of carbon = 20.00 g

Mass of oxygen = 26.64 g

Molar mass of compound = 180.156 g/mol

Empirical formula = ?

Molecular formula = ?

Solution:

Empirical formula:

It is the simplest formula gives the ratio of atoms of different elements in small whole number

Number of gram atoms of H = 3.36 / 1.01 = 3.3

Number of gram atoms of O = 26.64 / 16 = 1.7

Number of gram atoms of C = 20 / 12 = 1.7

Atomic ratio:

            C                      :        H            :         O

           1.7/1.7                :     3.3/1.7       :       1.7/1.7

              1                     :           2          :        1

C : H : O = 1 : 2 : 1

Empirical formula is CH₂O.

Molecular formula:

Molecular formula = n (empirical formula)

n = molar mass of compound / empirical formula mass

Empirical formula mass = CH₂O = 12×1 + 2× + 16

Empirical formula mass = 30

n = 180.156 / 30

n = 6

Molecular formula = n (empirical formula)

Molecular formula = 6 (CH₂O)

Molecular formula = C₆H₁₂O₆

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