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vovangra [49]
4 years ago
14

Which example is a homogenous mixture of two or more pure substances? alcohol

Chemistry
1 answer:
il63 [147K]4 years ago
6 0

Answer:

Alcohol and water.

Explanation:

Alcohol and water is a homogenous mixture. because these two liquids are soluble, miscible in all composition. A homogenous mixture is a solution that has equal  composition of its components.

Irregular mixing of two liquid components have different refractive indexes. At a high temperature, it can become inhomogenous spontaneously.

A solution is a type of homogenous mixture which composed of two or more substances. In a mixture a solute is a substance, dissolves in other substance that is solvents like alcohol and water, alcohol is solute and water is a solvent.

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What is the percent yield for carbon dioxide if 10.0 grams of carbon
ivolga24 [154]

The percent yield : 81.5%

<h3>Further explanation</h3>

Percent yield is the compare of the amount of product obtained from a reaction with the amount you calculated

General formula:

Percent yield = (Actual yield / theoretical yield )x 100%

An actual yield is the amount of product actually produced by the reaction. A theoretical yield is the amount of product that you calculate from the reaction equation according to the product and reactant coefficients

Reaction

2CO+O₂⇒2CO₂

mol CO(MW=28,01 g/mol)

\tt \dfrac{10}{28.01}=0.357

mass CO₂ (theoretical)(MW=44,01 g/mol)

\tt 0.357\times 44.01=15.712~g

the percent yield :

\tt \dfrac{12.81}{15.712}\times 100\%=81.5\%

3 0
3 years ago
Complete the table below by writing the symbols for the cation and anion that make up each ionic compound.
marysya [2.9K]

The ions are as follows;

  • As2O3 -  As^3+, O^2-
  • MnS - Mn^2+, S^2-
  • VCl3 - V^3+, Cl^-
  • NiF2 - Ni^2+,  F^-

<h3>What is a cation and an anion?</h3>

A cation is a positive ion while an anion is a negative ion. Ionic compounds are composed o cations and anions.

The anions and cations in the ionic compounds in the table are shown below;

  • As2O3 -  As^3+, O^2-
  • MnS - Mn^2+, S^2-
  • VCl3 - V^3+, Cl^-
  • NiF2 - Ni^2+,  F^-

Learn more about cations and anions:brainly.com/question/4933048

#SPJ1

6 0
3 years ago
Jf,fyu,eudyj,yudu.kjm,fj
dalvyx [7]

Answer:

Yes that is correct

Explanation:

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8 0
3 years ago
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What is the density of Iodine gas at 2.36 atm and 65.0 C?
timurjin [86]

The density : 21.63 g/L

<h3>Further explanation</h3>

The gas equation can be written  

\large {\boxed {\bold {PV = nRT}}}

where  

P = pressure, atm  

V = volume, liter  

n = number of moles  

R = gas constant = 0.08206 L.atm / mol K  

T = temperature, Kelvin  

T = 65+273=338 K

P=2.36 atm

MW Iodine gas (I₂)=254

The density :

\tt \rho=\dfrac{P\times MW}{RT}\\\\\rho=\dfrac{2.36\times 254}{0.082\times 338}=21.63~g/L

4 0
3 years ago
How is an element's most likely oxidation state related to its valence electrons?
MariettaO [177]
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6 0
4 years ago
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