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
Nat2105 [25]
3 years ago
8

Which energy profile best shows that the enthalpy of formation of CS2 is 89.4 KJ/mol?

Chemistry
2 answers:
Anna11 [10]3 years ago
7 0

Answer:

Option C. Energy Profile D

Explanation:

Data obtained from the question include:

Enthalpy change ΔH = 89.4 KJ/mol.

Enthalpy change (ΔH) is simply defined as the difference between the heat of product (Hp) and the heat of reactant (Hr). Mathematically, it is expressed as:

Enthalpy change (ΔH) = Heat of product (Hp) – Heat of reactant (Hr)

ΔH = Hp – Hr

Note: If the enthalpy change (ΔH) is positive, it means that the product has a higher heat content than the reactant.

If the enthalpy change (ΔH) is negative, it means that the reactant has a higher heat content than the product.

Now, considering the question given, the enthalpy change (ΔH) is 89.4 KJ/mol and it is a positive number indicating that the heat content of the product is higher than the heat content of the reactant.

Therefore, Energy Profile D satisfy the enthalpy change (ΔH) for the formation of CS2 as it indicates that the heat content of product is higher than the heat content of the reactant.

VikaD [51]3 years ago
4 0
The correct answer is Option C
You might be interested in
When a solution of barium nitrate and a solution of copper (II) sulfate are mixed, a chemical reaction produces solid barium sul
Artemon [7]
The total mass of the products is 10.76 g + 204.44 g = 215.20 g.
The masses of all the reactants but one are known so,

215.20 g - 120.00 g - 8.15 g - 75.00 g = 12.05 g

12.05 g is the mass of the unweighed barium nitrate. 
8 0
3 years ago
Read 2 more answers
Calculate the mass of 29.8 mL of aluminum, which has a density of 2.00 g/mL.
MaRussiya [10]

Answer:

The answer is

<h2>59.6 g </h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

Density of aluminum = 2.00 g/mL

volume = 29.8 mL

The mass is

mass = 2 × 29.8

We have the final answer as

<h3>59.6 g</h3>

Hope this helps you

5 0
2 years ago
What happens to the motion of molecules when temperature decreases
Juliette [100K]

Answer:

As the temperature of a solid, liquid or gas increases, the particles move more rapidly.

4 0
3 years ago
Read 2 more answers
How many orbitals are in Phosphorus
Viefleur [7K]

Answer:

3

three half-filled orbitals each capable of forming a single covalent Bond and an additional lone - pair of electrons

8 0
2 years ago
Read 2 more answers
A 800g/cm³ boulder has a density of 8g/cm³ what is the volume
kirill [66]

6400 cubic centimeters


3 0
2 years ago
Read 2 more answers
Other questions:
  • A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 126 g of solutio
    15·1 answer
  • Light strikes a beautiful white perch under water. This light is reflected back to your eyes allowing you to see the fish. As th
    12·1 answer
  • Which element (A, B, or C) is most likely a metalloid
    5·2 answers
  • Calculate the amount of energy required to increase the temperature of 18.0 go vapor water from 275.0 degrees * C to 385 degrees
    8·1 answer
  • When magma reaches the surface gases what out of it
    7·1 answer
  • Now take a fresh 60 mL of the 0.50 M pH 6.83 buffer and add 3.7 mL of 1.00 M NaOH. Using steps similar to those above, calculate
    5·1 answer
  • What is the molar mass of CHC13?
    10·2 answers
  • What determines the order of the elements in the modern periodic table ?
    7·1 answer
  • What is the mass of 8.07 x 10^24 molecules of 02?
    9·1 answer
  • In the molecular orbital model of cyclobutadiene, how many -antibonding molecular orbitals are there?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!