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Paha777 [63]
3 years ago
10

Classify the following as a solution, suspension or colloid

Chemistry
1 answer:
frosja888 [35]3 years ago
6 0

Answer:

Solution - (a) Brine . Suspension - (c) sand and water, (g) chalk and water​ Colloid - (e) air,  (f) smoke , (d) soda , (b) milk

Explanation:

A solution is an homogeneous mixture of two or more compounds.

A suspension is a heterogeneous mixture of two or more compounds while a colloid is a homogeneous mixture of two or more compounds with suspended particles which do not settle.

So, under these definitions, the classifications are as follows-

Solution - (a) Brine .

Suspension - (c) sand and water, (g) chalk and water​

Colloid - (e) air,  (f) smoke , (d) soda , (b) milk

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What is the percent yield for the reaction below when
kumpel [21]

Answer:

Percent yield of reaction is<em> 150%.</em>

Explanation:

Given data:

Percent yield = ?

Actual yield of SO₃ = 586.0 g

Mass of SO₂ = 705.0 g

Mass of O₂ = 80.0 g

Solution:

Chemical equation:

2SO₂ + O₂      →     2SO₃

Number of moles of SO₂:

Number of moles = mass/ molar mass

Number of moles = 586.0 g/ 64.1 g/mol

Number of moles = 9.1 mol

Number of moles of O₂:

Number of moles = mass/ molar mass

Number of moles = 80.0 g/ 32g/mol

Number of moles = 2.5 mol

Now we will compare the mole of SO₃ with O₂ and SO₂.

                      SO₂          :          SO₃

                        2             :            2

                     9.1              :           9.1

                       O₂            :          SO₃

                        1              :            2

                     2.5             :           2×2.5 = 5

The number of moles of SO₃ produced by oxygen are less it will limiting reactant.

Theoretical yield of SO₃:

Mass = number of moles × molar mass

Mass = 5 mol × 80.1 g/mol

Mass = 400.5 g

Percent yield of reaction:

Percent yield = actual yield / theoretical yield  × 100

Percent yield = 586.0 g/ 400.5 g× 100

Percent yield = 1.5× 100

Percent yield = 150%

8 0
3 years ago
What does the letter "E" represents when in a chemical equation
Amiraneli [1.4K]

Answer:

1. Equality

<u><em>Hope this helps :)</em></u>

<em><u>Pls brainliest...</u></em>

7 0
2 years ago
Which of the following will occur if more fuel is added to the reaction without changing the amount of
neonofarm [45]

Answer:the flames will get larger but then die back down

Explanation:

we all know this from puting gasoline in out camp fires -3-

4 0
3 years ago
What are some chemical properties of Nitrogen?
Arturiano [62]

Some chemical properties of nitrogen are...Nitric acid salts, potassium nitrate, trinitrotoluene, ammonium nitrate, and nitro-glycerine.

5 0
4 years ago
Crude oil is a mixture of many different chemical compounds.
evablogger [386]

Answer:

092) Icosane

093) Ethene

Explanation:

092) The given compounds are;

Decane C₁₀H₂₂; Viscosity = 0.850 mPa·s (25°C)

Ethene C₂H₄ (gas); Viscocity ≈ 0.01038 m

Icosane C₂₀H₄₂; Solid at room temperature

Methane CH₄; gas at room temperature

The viscosity of the given carbon and hydrogen compounds is observed to increase with their molar masses

Therefore, icosane, which is a solid at room temperature, has the highest viscosity (resistance to deformation) out of the given compounds

093) Polymers are made from monomer alkene units, therefore, ethene, which is the only alkene among the given compounds can be used to produce a polymer

Polyethene is formed by the polymerization of ethene whereby molecules of ethene are joined together to form poly(ethene)

6 0
3 years ago
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