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alex41 [277]
2 years ago
7

Can someone give me a simple example of a exothermic reaction? Would a campfire be one?

Chemistry
1 answer:
Nitella [24]2 years ago
5 0

4 Examples of Exothermic Reaction:

  • Formation of snow
  • Burning wood
  • Burning Candle
  • Gas burner in use

- and yes, a campfire can be a exothermic reaction.

\color{A689E1}I \color{A689E1}hope \color{A689E1}this \color{A689E1}helps! ^-^

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5. Inside the mouth, these cells are joined together in a sheet. Why are they scattered here?
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How much work does a gas do when it expands against a constant pressure of 0.600 atm from a volume of 50.00 mL to a volume of 44
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23.71J is the work that the gas do.

Explanation:

The work that a gas do under isobaric conditions follows the formula:

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W = P*ΔV

W = 0.600atm*(0.44000L - 0.0500L)

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3 0
3 years ago
How many moles (of molecules or formula units) are in each sample?
Alexus [3.1K]

The number of moles in each sample will be 0.391 moles, 30.7 moles, 0.456 moles, and 1350 moles

<h3>What is the number of moles?</h3>

The number of moles of a substance is the ratio of the mass of the substance to the molar mass.

In other words; mole = mass/molar mass.

Thus:

  • moles of 18.0 g NO_2 = 18.0/46

                                   = 0.391 moles

  • moles of 1.35 kg CO_2 = 1350/44

                                         = 30.7 moles

  • moles of 46.1 g KNO_3 = 46.1/101.1

                                          = 0.456 moles

  • moles of 191.8 kg Na_2SO_4 = 191800/142

                                                 = 1350 moles

More on the number of moles of substances can be found here: brainly.com/question/1445383

#SPJ1

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2 years ago
Who else had to do a final model for the rust unit ​
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Which one? Are u saying.
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