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2 years ago

5.2 X 1026 molecules of CH4

Chemistry

1 answer:

olya-2409 [2.1K]2 years ago

8 0

<h3 /><h3>Answer above </h3>

I cant send this with no text 

Have a nice day

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If you try to balance an equation by changing subscripts you change...

aksik [14]

Answer:

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2 years ago

In a cold pack, which type of reaction draws heat from the surroundings?

Bingel [31]

That would be an endothermic reaction! :)

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2 years ago

How many molecules are contained in a 3.36 mole sample of NH3?

denpristay [2]

$3.36 \times (6.02 \times {10}^{23} ) = 2.0227 \times {10}^{24}$

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2 years ago

Water vapor enters a compressor at 35 kpa and 160°c and leaves at 300 kpa with the same specific entropy as at the inlet. What a

Annette [7]

<h3>solution:</h3>

The initial entropy is obtained from the initial pressure and temperature with data from A-6 using interpolation:

s= 8.2652 kJ/kgK

The final temperature is determined from the entropy and the final pressure with data from A-6 using interpolation:

T₂ = T₁+ T₂ - T₁/ 8₂ - 8₁ ( s - s₁)

= (400 + 500 - 400/8.3271 - 8.0347 (8.2652 - 8))

= 478.83°C

The final enthalpy is determined in the same way:

h₂= h₁ + h₂ - h₁/s₂ - s₁ ( s - s₁)

= ( 3275.5+ 3486.6 - 3275.5/ 8.3271 - 8.0347) (8.265)

= 3441.91 kJ/kg

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1 year ago

What are some remarkable properties of water

frosja888 [35]

Explanation:

Water can dissolve in many things because of it's polarity and surface tension.
Water is the only substance that is lighter in its solid form.

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2 years ago