1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
IrinaK [193]
2 years ago
14

The number of moles and the mass of carbon dioxide formed by the combustion of 20.0 kg of carbon in an excess of oxygen.

Chemistry
1 answer:
EleoNora [17]2 years ago
8 0

The number of mole and mass of carbon dioxide produced by the combustion of 20.0 kg of carbon in an excess of oxygen are:

1. The number of mole of CO₂ produced is 1666.67 moles

2. The mass of CO₂ produced is 73333.48 g

  • We'll begin by calculating the number of mole in 20 Kg of carbon. This can be obtained as follow:

Mass of C = 20 Kg = 20 × 1000 = 20000 g

Molar mass of C = 12 g/mol

<h3>Mole of C =?</h3>

Mole = mass /molar mass

Mole of C = 20000 / 12

<h3>Mole of C = 1666.67 moles</h3>

1. Determination of the number of mole of CO₂ produced.

C + O₂ —> CO₂

From the balanced equation above,

1 mole of C reacted to produce 1 mole of CO₂.

Therefore,

1666.67 moles of C will also react to produce 1666.67 moles of CO₂.

Thus, 1666.67 moles of CO₂ were obtained from the reaction.

2. Determination of the mass of CO₂ produced.

Mole of CO₂ = 1666.67 moles

Molar mass of CO₂ = 12 + (16×2) = 44 g/mol

<h3>Mass of CO₂ =? </h3>

Mass = mole × molar mass

Mass of CO₂ = 1666.67 × 44

<h3>Mass of CO₂ = 73333.48 g</h3>

Thus, the mass of CO₂ produced from the reaction is 73333.48 g

Learn more: brainly.com/question/22387155

You might be interested in
How does dermal tissue play a key role in transpiration?
weqwewe [10]

Answer:

Dermal tissue of the stems and leaves is covered by a waxy cuticle that prevents evaporative water loss. Stomata are specialized pores that allow gas exchange through holes in the cuticle. Unlike the stem and leaves, the root epidermis is not covered by a waxy cuticle which would prevent absorption of water.

Explanation:

5 0
3 years ago
What is the nature of the Ca-Cl bond in a molecule of calcium chloride (CaCl2) if the electronegativity value of calcium is 1.0
finlep [7]

Answer:

ionic

Explanation:

6 0
3 years ago
3. Methyl acetate is hydrolyzed at 25 oC in acidic environment. Aliquots of equal volume are removed and titrated with NaOH solu
avanturin [10]

Solution :

Time (sec)       Volume of NaOH (mL)

339                           26.23

1242                         27.80

2745                        29.70

4546                         3.81

$\infty$                               39.81

Now the example of the first order kinetics w.r.t volumetric analysis is :

$k=\frac{2.303}{t} \log \left(\frac{v_{\infty}-v_0}{v_{\infty}- v_t}\right)$

Here, $v_{\infty}= \text{ volume at }\infty = 39.81$

$v_{t}= \text{ volume at time 't' } = 27.80$

$v_0$ = volume at time 0 = 0

Since the interval is not constant, we take the time interval as

$=\frac{903+1503+1801}{3}$

$=\frac{4207}{3}$

= 1402.3333

≈  1402 seconds

$k=\frac{2.303}{1402} \log \left(\frac{39.81-0}{39.81-27.80}\right)$

  $=(0.001643) \log \left(\frac{39.81}{10.01}\right)$

  = 0.001643 x 0.52045

  = 0.00082

  $= 8.55 \times 10^{-4} \ sec^{-1}$

Therefore, the first order rate constant is k $= 8.55 \times 10^{-4} \ sec^{-1}$.

5 0
2 years ago
Which property of a body cannot be changed if a force is applied to it?
prohojiy [21]
The answer is it’s mass
8 0
3 years ago
Read 2 more answers
A 10.0 g pat of butter raise the water level in a graduated cylinder by 11.6 mL. What is the density of the butter
Nina [5.8K]

- formula for density is mass divided by volume

therefore density of butter = 10.0g divided by 11.6ml = 0.8620689 g/cm³ ≈ 0.862 g/cm³ (3sf)

8 0
3 years ago
Other questions:
  • What is the best explanation for the fact that a solution of NaNO2(aq) is basic?NO2– is hydrolyzed with the formation of OH –(aq
    9·1 answer
  • Convection currents or wind in the atmosphere
    14·1 answer
  • Imagine two solutions with the same concentration and the same boiling point, but one has benzene as the solvent and the other h
    12·2 answers
  • Which of the following week s NOT an organic molecule CH4, C6H12O6, HCI, C3H7CI
    15·1 answer
  • Balance the reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the coefficient is "1.
    13·2 answers
  • How is a human egg is similar to a chicken egg
    12·2 answers
  • Acceleration always refers to a(n)
    14·2 answers
  • Find odd one out for (Air,salt solution,sandwich)​
    6·1 answer
  • M
    15·1 answer
  • Analyze the word problem and match the vocabulary terms to the chemicals in the word problem.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!