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DochEvi [55]
3 years ago
6

Read the reaction and the statement. H2(g) + I2(g) ⇌ 2HI(g) The concentration of H2, I2 and HI are measured as 0.04 M, 0.08 M an

d 0.12 M at equilibrium and 200 K. What is the value of equilibrium constant? a 9.0 b 2.5 c 1.0 d 4.5
Chemistry
1 answer:
hjlf3 years ago
4 0

Answer:

45467777777777yt3457942

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Whenever ___ energy is needed
vfiekz [6]
Well...........thanks for posting anyway. 
5 0
3 years ago
How many moles of methane are produced when 85.1 moles of carbon dioxide gas react with excess hydrogen gas?
tino4ka555 [31]

Taking into account the reaction stoichiometry, 340.0 moles  of methane are produced when 85.1 moles of carbon dioxide gas react with excess hydrogen gas

<h3>Reaction stoichiometry</h3>

In first place, the balanced reaction is:

CO₂ + 4 H₄  → CH₄ + 2 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

  • CO₂: 1 mole
  • H₄: 4 moles  
  • CH₄: 1 mole
  • H₂O: 2 moles

<h3>Moles of CH₄ formed</h3>

The following rule of three can be applied: if by reaction stoichiometry 1 mole of CO₂ form 4 moles of CH₄, 85.1 moles of CO₂ form how many moles of CH₄?

moles of CH_{4} =\frac{85.1 moles of CO_{2}x4 moles of CH_{4} }{1 moles of CO_{2}}

<u><em>moles of CH₄= 340.4 moles</em></u>

Then, 340.0 moles  of methane are produced when 85.1 moles of carbon dioxide gas react with excess hydrogen gas

Learn more about the reaction stoichiometry:

brainly.com/question/24741074

brainly.com/question/24653699

#SPJ1

6 0
2 years ago
An equinox occurs when the:
xxTIMURxx [149]

Answer: sun is directly over the equator

Explanation:

There are only two times of the year when the Earth's axis is tilted neither toward nor away from the sun, resulting in a "nearly" equal amount of daylight and darkness at all latitudes.

3 0
3 years ago
What are hydrated substances
Keith_Richards [23]

Answer:

Glauber's salt

washing soda

5 0
3 years ago
In which one element replaces a similar element in a compound
ExtremeBDS [4]
<h3><u>Question</u><u>:</u><u>-</u></h3>

In which one element replaces a similar element in a compound?

<h3><u>Answer</u><u>:</u><u>-</u></h3>

A single-replacement reaction

<h3><u>Explanation:</u><u>-</u></h3>

A single-replacement reaction is a reaction in which one element of a compound is replaced by another.

8 0
2 years ago
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