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romanna [79]
3 years ago
7

1. Caused by movement of rocksbelow the surface. is Called?​

Chemistry
1 answer:
valentina_108 [34]3 years ago
3 0
I don’t know what to do with the answer I don’t know how you feel sorry I didn’t
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Phoebe removes frozen vegetables from the freezer to make herself a stir-fry. She’s in a bit of a hurry, so she immerses the pla
Alexxandr [17]
This is thermal conduction.
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Circle the term or phrase in parentheses that makes each statement true.
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A substance that produces hydrogen ions is an acid
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The amount of kinetic energy an object has depends on which feature of the object?
maks197457 [2]

Answer:

mass

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How are bones important to the lymphatic system?
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3 years ago
Methane burns in the presence of oxygen to form carbon dioxide and water.
wlad13 [49]

Answer:

= 9.28 g CO₂

Explanation:

First write a balanced equation:

CH₄ + 2O₂ -> 2H₂O + CO₂

Convert the information to moles

7.50g CH₄ = 0.46875 mol CH₄

13.5g O₂ = 0.421875 mol O₂

Theoretical molar ratio CH₄:O₂ -> 1:2

Actual ratio is  0.46875 : 0.421875 ≈ 1:1

If all CH₄ is used up, there would need to be more O₂

So O₂ is the limiting reactant and we use this in our equation

Use molar ratio to find moles of CO₂

0.421875 mol O₂ * 1 mol CO₂/2 mol O₂=0.2109375 mol CO₂

Then convert to grams

0.2109375 mol CO₂ = 9.28114 g CO₂

round to 3 sig figs

= 9.28 g CO₂

5 0
3 years ago
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