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
Ne4ueva [31]
3 years ago
9

Solid chromium (III) reacts with oxygen gas to form solid Cr2O3. What is this type of reaction?

Chemistry
1 answer:
mafiozo [28]3 years ago
5 0

Answer:

.081 g of O2

Explanation:

4Cr + 3O2 -----> 2Cr2O3

.175 g Cr x [1 mole / 52.0 g] x [2 moles Cr2O3 / 4 moles Cr] x [152 g / 1 mole] = .256 g of Cr2O3

.175 g Cr x [1 mole / 52.0 g] x [3 moles O2 / 4 moles Cr] x [32 g / 1 mole] = .081 g of O2

You might be interested in
If I have 12.0 volume of gas at pressure of 1.10 and temperature of 200k, what is the number of moles? (R=8314)
arsen [322]

Answer:

7.94 x 10^6 mol

Explanation:

PV=nRT

n=(PV)/(RT)

n=(1.10*12.0)/(8314*200)

n=7.94 x 10^6 mol

5 0
3 years ago
Photosynthesis takes place in the
guajiro [1.7K]

Answer:

Chloroplast

Explanation:

4 0
3 years ago
Can someone plz help me with this one problem!!!
Maslowich

Answer:

Sunlight is a mechanical energy

3 0
3 years ago
Read 2 more answers
Which diagram represents an object at static equilibrium?
Marianna [84]
The absence of an unbalanced force, an object at rest will stay at rest and an object in motion will stay in motion.
4 0
3 years ago
Read 2 more answers
What is the difference between parent material
Naily [24]
I don’t understand the question
4 0
4 years ago
Other questions:
  • What is the function of this instrument?
    14·1 answer
  • van der Waals bonding can be important to the modulus of which of the following? Select one: a. metals only b. some polymers c.
    12·1 answer
  • This graph illustrates that, under conditions of constant pressure, as the temperature of liquid water increases, its volume ___
    8·1 answer
  • Which flask has the solution with the lowest freezing point
    11·1 answer
  • Recognizing the Properties of Water
    5·2 answers
  • BRAINLIESTTT ASAP!! PLEASE HELP ME :)
    15·1 answer
  • I put 40 points on this!!! PLEASE HELP!! I NEED AN A OR MY MOM IS GONNA KILL ME!
    11·1 answer
  • Does the result of the calculation in question 3 justify your original assumption that all of the SCN^- is in the form of FeNCS^
    14·1 answer
  • Which of the following is true?
    13·1 answer
  • Two substances (A and B) are placed at each end of a glass tube. The vapors of the substances form a solid that is closer to sub
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!