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
Leya [2.2K]
3 years ago
15

A certain ore contains 34% hematite, Fe2O3. Hematite is 69.9% iron. How much iron can be isolated from 250 tons of this ore

Chemistry
1 answer:
Zielflug [23.3K]3 years ago
8 0

Answer:

 59.4 tons of iron can be isolated from this ore

Explanation:

mass of ore = 250 tons

mass of hematite = 34 % of 250

= 85 tons

mass of iron = 69.9 % of hematite

= 69.9 % of 85

= 59.4 tons

So,  59.4 tons of iron can be isolated from this ore .

You might be interested in
if an atom has a mass number of 226 and an atomic number of 88. how many protons and neutrons does it have​
aleksandrvk [35]
There is 138. Protons and neurons
3 0
4 years ago
Read 2 more answers
What does the number on the top right of the symbol show? If the value here is 0, what does that mean?
ira [324]

Answer: what symbol ?

Explanation:

3 0
3 years ago
Read 2 more answers
What should happen in the flowing water model for her claim to be supported
aniked [119]

A flowing water model has a flow pattern which is curved, narrow and branching

<h3>What is flowing water?</h3>

Flowing waters means fresh waters flowing unidirectionally down altitudinal gradients.

However, the water may or may not be confined in distinct channels.

Examples of fowing waters includes:

  • streams,
  • flowing springs,
  • seeps,
  • ditches,
  • flumes.

<h3>Characteristics of water </h3>

Below are some few characteristics of water:

  • Water is polar
  • Water is an excellent solvent
  • Water has high heat capacity
  • Water has high heat of vaporization
  • Water has cohesive and adhesive properties
  • Water is less dense as a solid than as a liquid

So therefore, a flowing water model has a flow pattern which is curved, narrow and branching

Learn more about flowing water:

brainly.com/question/25936986

#SPJ1

8 0
1 year ago
Do all colors of light have the same energy?
icang [17]
No, darker colors like purple and blue have higher wave frequency which transmit more energy.
6 0
4 years ago
The dissolved materials in seawater are thought to originate from chemical weathering of rocks on the continents and also from _
Pani-rosa [81]

Answer:

outgassing of elements from earth's interior

7 0
3 years ago
Other questions:
  • A chemist adds 185.0mL of a 2.6 M iron(II) bromide FeBr2 solution to a reaction flask. Calculate the millimoles of iron(II) brom
    5·2 answers
  • The electrical resistance of a circuit is influenced by three primary factors:
    10·1 answer
  • Rank the size of a change in temperature of one degree Fahrenheit, one degree Celsius, and one kelvin. In other words, if a ther
    13·1 answer
  • What is an amorphous solid?
    7·1 answer
  • The urms of h2 molecules at 273k is 1.84×103m/s.part aat what temperature is urms for h21.8 times greater than this value?
    7·1 answer
  • Why do people use block and teckle systems to move heavy objects?
    12·1 answer
  • ''give 2 examples of energy transformation that occur when making toast in a toaster oven.''
    5·1 answer
  • Using the example in the above information determine the empirical formula of a compound if a sample contains 0.130 g of nitroge
    11·1 answer
  • Helium and nickel are classified as _____, which are pure substances that make up all kinds of matter. Group of answer choices
    10·1 answer
  • When a nucleus of 235U undergoes fission, it breaks into two smaller, more tightly bound fragments. Calculate the binding energy
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!