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
Katarina [22]
3 years ago
13

What is the balanced equation for CaCO3(s) > CaO(s) + CO2(g

Chemistry
1 answer:
vlada-n [284]3 years ago
3 0
Balanced equation :

1 CaCO3(s) = 1 CaO(s) + 1 CO2(g)

hope this helps!

You might be interested in
When the oxide of generic metal m is heated at 25.0 °c, only a negligible amount of m is produced. o2m(s ----> m(s o2(g delta
Len [333]
(1) MO₂(s) + C(s) → M(s) + CO₂ (g),  ΔG₁ = 288.9 kJ/mol
(2) C(s) + O₂(g) → CO₂(g),   ΔG₂ = -394.4 kJ/mol
By adding both equations 1 + 2 we get the coupled reaction:
MO₂(s) + 2 C(s) + O₂(g) → M(s) + 2 CO₂(g)
ΔG⁰ = ΔG₁ + ΔG₂ 
       = 288.9 + (-394.4) = -105.5 kJ/mol = -105500 J/mol
Temperature T = 25 + 273.15 = 298.15 K
Molar gas constant R = 8.314 J/mol.K
K = e^{ \frac{-dG0}{RT} }
   = e^{ \frac{105500}{8.314 x 298.15} } 
    = 3.05 x 10¹⁸
6 0
3 years ago
How many moles are in 1.51x10^26 atoms of xenon (Xe)? Please and thank you :)!!
RoseWind [281]
<h3>Answer:</h3>

251 mol Xe

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<u>Stoichiometry</u>

  • Using Dimensional Analysis
<h3>Explanation:</h3>

<u>Step 1: Define</u>

[Given] 1.51 × 10²⁶ atoms Xe

[Solve] moles Xe

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

  1. [DA] Set up:                                                                                                     \displaystyle 1.51 \cdot 10^{26} \ atoms \ Xe(\frac{1 \ mol \ Xe}{6.022 \cdot 10^{23} \ atoms \ Xe})
  2. [DA] Multiply/Divide [Cancel out units]:                                                         \displaystyle 250.747 \ mol \ Xe

<u>Step 4: Check</u>

<em>Follow sig fig rule and round. We are given 3 sig figs.</em>

250.747 mol Xe ≈ 251 mol Xe

3 0
3 years ago
What kind of non-flowering plant produces seeds instead of spores?
Pie

Answer:

The answer to your question is Ferns

Explanation:

Ferns are called nonflowering plants and produce spores instead of seeds.

6 0
3 years ago
Can someone help me, please?
VikaD [51]
15. D is correct, exothermic reactions release heat

I am not sure about 16
7 0
3 years ago
In 0.4 mole of H2S, how many atoms of H are there? ​
Debora [2.8K]

Answer:

8

Explain

H: Ignoring the coefficient, we know there's 5+3=8 atoms

5 0
3 years ago
Other questions:
  • A sample of 0.0200 mol of chlorine gas is kept at 27.0°c and 0.150 atm. what would be its pressure if the temperature was increa
    9·1 answer
  • Why did evaporation cause the temperature to drop for each liquid? Explain exactlywhat happens on a molecular level to the parti
    6·1 answer
  • Why is performing extraction with several small portions of a solvent more officient than a single extraction with the same tota
    8·1 answer
  • Which type of environmental pollution would not be the direct result of the human use of fossil fuels? A) The expansion of landf
    8·1 answer
  • What is the configuration of electrons within an atom?
    10·1 answer
  • HELP PLEASE Iodine is a _____.
    8·1 answer
  • Which term should replace the question mark?
    6·1 answer
  • What kind of reactions are redox reactions
    13·1 answer
  • Imagine That you're living in Miami Florida And your family have decided That it's time to move it to the new home. Which of the
    7·1 answer
  • In the scientific article, "Not-So-Tiny Bubbles," there are two main concepts discussed Decompression and how gasses dissolve in
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!