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
frez [133]
3 years ago
7

Someone Please HELP Me

Chemistry
1 answer:
scoray [572]3 years ago
7 0
Use a calculator to add those thank you ur welcome
You might be interested in
The production of iron and carbon dioxide from iron(iii) oxide and carbon monoxide is an exothermic reaction. which expression c
NARA [144]
Missing question:
A. [3.40 mol Fe2O3 (s) × 26.3 kJ/1 mol Fe2O3 (s)] / 2 
<span>B. 3.40 mol Fe2O3 (s) × 26.3 kJ/1 mol Fe2O3 (s) </span>
<span>C. 26.3 kJ/1 mol Fe2O3 (s) / 3.40 mol Fe2O3 (s) </span>
<span>D. 26.3 kJ/1 mol Fe2O3 (s) – 3.40 mol Fe2O3 (s).
</span>Answer is: B.
Chemical reaction: F<span>e</span>₂O₃<span>(s) + 3CO(g) → 2Fe(s) + 3CO</span>₂<span>(g);</span>ΔH = <span>+ 26.3 kJ.
When one mole of iron(III) oxide reacts 26,3 kJ of energy is required and for 3,2 moles of iron(III) oxide 3,2 times more energy is required.</span>
8 0
3 years ago
Read 2 more answers
Oxygen is an example of a(n)
stepladder [879]

Answer:

C. element. oxygen is an element

Explanation:

oxygen is element #8

7 0
3 years ago
How many grams of CO2 are in 6 mol of the compound (this is a science question)?
denpristay [2]
0.136 C02 would be your answer
5 0
3 years ago
Read 2 more answers
Does a molecule want a geometry that has high energy of low energy
Alex
High energy hope this helps
4 0
3 years ago
Read 2 more answers
CORRECT ANSWER GETS BRAINLIST
pashok25 [27]

Answer:

B. halocline

Explanation:

it is a zone in the oceanic water that changes depending on the depth

Hope This Helped Sorry If Wrong

6 0
2 years ago
Other questions:
  • What occurs when ions from the the sun strike air molecules
    8·1 answer
  • Is 1000g same as 1cm3
    11·1 answer
  • Which reaction is an example of a precipitation reaction?
    14·2 answers
  • Propane gas (C3H8) burns completely in the presence of oxygen gas (O2) to yield carbon dioxide gas (CO2) and water vapor (H2O).
    5·1 answer
  • Half-life is always given in units of time
    11·1 answer
  • I REALLY REALLY NEED HELP CAN SOMEONE HELP ME ANSWER ALL OF THE QUESTION PLZ
    12·1 answer
  • What is the mass number of chlorine?
    10·1 answer
  • Enter an equation showing how this buffer neutralizes added aqueous acid (HI). Express your answer as a chemical equation. Ident
    13·1 answer
  • Which one of the following is an example of a balanced chemical reaction?
    13·1 answer
  • In 1980 the Mt. St. Helens volcano erupted and impacted thousands of square miles of forest.Some areas are still undergoing seco
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!