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
Alex Ar [27]
3 years ago
11

A chemistry student was asked to calculate the number of moles of iron required to react with 1.20 mol of oxygen to produce iron

(iii) oxide. his calculation is shown below :
1.20 mol O2 x 1 mol fe / 1 mol O2 = 1.20 mol Fe
Is the student correct? Use evidence to support your answer.

Chemistry
1 answer:
Delicious77 [7]3 years ago
8 0

Answer:Write and balance the equation

4Fe + 3O2 -> 2Fe2O3

0.32 mol Fe x 2 mol Fe2O3 / 4 mol Fe =

0.16 mol of Fe2O3

Explanation:

You might be interested in
The earths magnetic poles are located in different areas close to its geographic poles?
s2008m [1.1K]

Answer:

Explanation:

The answer is true

4 0
2 years ago
Read 2 more answers
PLEASE HELP
DENIUS [597]

I believe that it is B

3 0
3 years ago
How can you tell when a solution is formed?
zhuklara [117]
You may tell when a solution os formed when the item or particle, such as sugar or salt,
dissolves completely in the solvent, such as water. 

Basically, you know when a solution is formed when the material you have placed in the solvent disappears :P
5 0
3 years ago
Read 2 more answers
Carbon dioxide is commonly found as a solid (dry ice) or a gas (carbon dioxide gas). Jeff's teacher asked him to draw models to
Andrei [34K]

Answer: dry ice is a solid which makes it different from a gas

Explanation:

5 0
3 years ago
Read 2 more answers
8. A sample of sulfur has a mass of 223 g. How many moles of sulfur are in the sample?
Rama09 [41]

Answer:

7 moles

Explanation:

1mole of sulfur=32

x=223

=6.9

=7moles

8 0
3 years ago
Other questions:
  • Which drug treats heartburn by neutralizing the acidity of the stomach by combining with hydrochloric acid (hcl) and increasing
    15·1 answer
  • You pimp air into your volleyball the ball mass is?
    11·1 answer
  • Glycerol boils at a higher temperature than water. What does this indicate about the attractive forces of glycerol?
    14·2 answers
  • What is the chemical formula for iron (III) bicarbonate?
    12·1 answer
  • Calculate the energy needed to raise the temperature of 18.0g of water from 10.0C to 40.0C. The specific heat of water is 4.18 J
    11·1 answer
  • If temperature is increased , the number of collision per second
    13·1 answer
  • Please help... I’m trying to study for a test and I can’t find any information on these questions.
    5·1 answer
  • The periodic table organizes elements according to INCREASING
    5·2 answers
  • I’ll give 5 stars and Brainliest plus this is 20 points lol
    7·1 answer
  • i am begging anyone to help me with this! (all tutors i've asked said they can't solve it but i need someone to help me out) - i
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!