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miskamm [114]
3 years ago
6

Sara has a red jacket. Which of the following models shows how Sara's jacket reflects and/or absorbs light?

Chemistry
2 answers:
just olya [345]3 years ago
7 0
I think it’s C. , C. Should be right because the red jacket is absorbing the light
Sonja [21]3 years ago
7 0

Answer:

answer choice c

Explanation:

the colors we see are the ones that are reflected off the object

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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

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1 year ago
How many particles are in on mole?
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The change was physical, meaning it went from liquid to solid, or the other way around.

Explanation:

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The mass number of a nucleus is the number of: protons nucleons electrons neutrons
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protons

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