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
Anestetic [448]
2 years ago
8

Describe the effects of heat on rocks

Chemistry
1 answer:
Monica [59]2 years ago
6 0

Answer:

rocks main constituent is calcium carbonate, which produce carbon dioxide and calcium oxide (quick lime) upon heating

You might be interested in
if an iron nail is placed in a glass of water the nail will sink. Is the density of iron smaller than or larger than the density
Gala2k [10]
It has  more density when it sinks because the water pushes away thats why people float they are less dense 
5 0
3 years ago
Johnny was finished with his
QveST [7]
Johnny should have thrown away the unused chemicals because they still could have mixed with the other chemicals and it could cause a reaction.
5 0
2 years ago
Choose the correct missing coefficient to balance the following equation:
ira [324]

Answer:

the answer is 2 hope this helps

6 0
2 years ago
What is the kb of a 0.0200 m ( at equilibrium) solution of methyl amine, ch3nh2, that has a ph of 11.40?
marin [14]
Answer: Kb = 3.15 × 10 ⁻⁴

Explanation:


This is how you calculate Kb for this reaction.

1) Equilibrium equation:

CH₃NH₂ + H₂O ⇄ CH₃NH₃⁺ + OH⁻

2) Kb = [CH₃NH₃⁺]  [OH⁻] / [CH₃NH₂] ↔ all the spieces in equilibrium


3) From the stoichiometry [CH₃NH₃⁺] = [OH⁻]

Then, Kb = [OH⁻]  [OH⁻] / [CH₃NH₂] = [OH⁻]² / [CH₃NH₂]

4) You get [OH⁻] from the pH in this way:

pOH + pOH = 14 ⇒ pOH = 14 - pH = 14 - 11.40 = 2.60

pOH = - log [OH⁻] = 2.60 ⇒ [OH⁻] = 10^(-2.6) = 0.002512

5) [CH₃NH₂] in equilibrium is given: 0.0200M


6) Now compute:

Kb = (0.002512)² / 0.0200 = 3.15 × 10 ⁻⁴




8 0
3 years ago
Which of the following is a product formed when H2SO4 decomposes? (2 points)
melisa1 [442]
H2SO4 will decompose into both H2 and SO4.
6 0
3 years ago
Other questions:
  • Which of the following would be the most appropriate unit for measuring the length of a pencil?
    7·2 answers
  • Imagine a drop of water in oil. If you add surfactant, explain how the surfactant molecules organize themselves around the water
    10·1 answer
  • How many phase rule variables must be specified to fix the thermodynamic state of each of the following systems? Show how you de
    15·1 answer
  • Exposure to 100 R's: will have little effect can cause radiation sickness is enough to kill a person
    11·1 answer
  • Which of these is a physical property?
    9·1 answer
  • If Na was to form a 2 ion, from what orbital subshell would the second electron be lost?
    10·1 answer
  • Chemistry EASY question. just tell me the correct letter. brainliest if your right!
    7·1 answer
  • Pls help me my mom won’t stop yelling at me Bc have missing assignments
    15·1 answer
  • PLEASE HELP WILL MARK BRAINLIEST
    10·1 answer
  • Please help out I am having trouble answering this ?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!