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sleet_krkn [62]
2 years ago
13

The actual yield of a product in a reaction was measured as 1.20 g. If the theoretical yield of the product for the reaction is

1.82 g, what is the percentage yield of the product?
Chemistry
2 answers:
Artist 52 [7]2 years ago
6 0

Answer: A) 65.9 Percent

drek231 [11]2 years ago
4 0

Answer:

Percent yield = 66%

Explanation:

Given data:

Actual yield of product = 1.20 g

Theoretical yield = 1.82 g

Percent yield = ?

Solution:

Formula:

Percent yield =  ( actual yield / theoretical yield ) × 100

by putting values,

Percent yield = ( 1.20 g / 1.82 g) ×100

Percent yield = 0.66×100

Percent yield = 66%

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What is a product for 4 reaction type?
Crank

Answer:

1= 2H₂ + O₂ → 2H₂O

2=CaCo₃ + heat → CaO +CO₂

3=CH₄ + 2O₂   → CO₂ +2H₂O

4=HCl + NaOH   → NaCl + H₂O

Explanation:

1 = Simple composition

The formation of water molecule is simple composition reaction. In this reaction two hydrogen atoms react with one oxygen atom and form one water molecules.

2H₂ + O₂ → 2H₂O

The amount of energy released is -285.83 KJ/mol. It is exothermic reaction.

2 = Simple decomposition reaction:

The break down of sodium hydrogen carbonate into sodium carbonate, carbondioxide and water is decomposition reaction. The decomposition reactions re mostly endothermic, because compound required energy to break.

2NaHCO₃ + heat → Na₂CO₃ + H₂O + CO₂

It is endothermic reaction.

Another example is:

CaCo₃ + heat → CaO +CO₂

3 = Combustion reaction

Consider the combustion of methane:

CH₄ + 2O₂   → CO₂ +2H₂O

The burning of methane is exothermic. The combustion reactions are exothermic because when fuel are burns they gives energy.

4 = Neutralization reaction

The neutralization reactions are those in which acid and base react to form the salt and the water. Some neutralization reactions are exothermic because they release heat. e.g

Consider the neutralization reaction of HCl and NaOH.

HCl + NaOH   → NaCl + H₂O

6 0
3 years ago
HELP!!!!!!!!!!! WILL GIVE EXTRA POINTS Using the five major types of chemical reactions listed below:
scoray [572]
Is it multiple choice or anwser or each question
4 0
2 years ago
Graph of the relationship between mass and thermal energy
elixir [45]

<em>Thermal energy</em> is the sum of the kinetic and potential energies of all the particles in an object.

Assume that you have 250 gL of water and 1 kg of water at the same temperature.

Then, each water molecule has the same kinetic energy.

The larger sample contains four times as many molecules, so it contains four times as much thermal energy.

Thus, thermal energy is directly proportional to mass.

In symbols, <em>KE </em>∝ <em>m</em> or <em>KE = km</em>.

The graph of a direct proportion is a <em>straight line passing trough the origin</em>.

It should look something like the graph below.

6 0
3 years ago
[H2O] = 0.077 M
salantis [7]
Cl₂O + H₂O ⇄  2HClO


K = [HClO]²/[Cl₂O][H₂O]
K = (0,023)²/(0,077×0,077)
K = 0,000529/0,005929
<u>K</u><span><u> </u></span><u>≈</u><span><u> </u></span><u>0,0892

</u>:)
7 0
3 years ago
The ability to pound metal into a flat sheet without breaking it is:
lora16 [44]

Answer: B

Explanation: Cuz .

5 0
2 years ago
Read 2 more answers
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