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Wittaler [7]
3 years ago
8

In this salt water floating egg experiment, how will you use these calculations to find the density of the egg? I’m really confu

sed and need help please!

Chemistry
1 answer:
Agata [3.3K]3 years ago
5 0

Glass 1 Freshwater  

The egg went directly to the base of the glass. Consequently it has sunk and did not drift  

237.0  

237 (1 glass)  

1.000

Glass 2  

Water with 2 teaspoons of salt  

A similar outcome for glass 2 as container 1 when egg was set into the container it sank to the base.  

248.4  

237  

1.048

Glass 3  

Water with 3 teaspoons of salt  

In reference to glass 1 and 2 the egg sank to the base for a third time.  

254.1  

237  

1.072  

Glass 4  

Water with 4 teaspoons of salt  

The egg remained gliding to where a little bit of the egg was standing out on the top, and when pushed down the egg returned up.  

259.8  

237  

1.096

Hope this helps!

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How many grams of water will be produced if you start with 4.0 grams of hydrogen and an excess of oxygen given the following bal
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Taking into account the reaction stoichiometry, 36 grams of water (option B) will be produced if you start with 4.0 grams of hydrogen and an excess of oxygen.

<h3>Reaction stoichiometry</h3>

In first place, the balanced reaction is:

2 H₂+ O₂  → 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:

  • H₂: 2 moles
  • O₂: 1 mole
  • H₂O: 2 moles

The molar mass of the compounds is:

  • H₂: 2 g/mole
  • O₂: 32 g/mole
  • H₂O: 18 g/mole

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

  • H₂: 2 mole× 2 g/mole= 4 grams
  • O₂: 1 mole× 32 g/mole= 32 grams
  • H₂O: 2 moles× 18 g/mole= 36 grams

<h3>Mass of H₂O formed</h3>

You can see that by reaction stoichiometry 4 grams of H₂ form 36 grams of H₂O.

<h3>Summary</h3>

In summary, 36 grams of water (option B) will be produced if you start with 4.0 grams of hydrogen and an excess of oxygen.

Learn more about the reaction stoichiometry:

brainly.com/question/24741074

brainly.com/question/24653699

#SPJ1

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