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leonid [27]
3 years ago
7

If you have 0.56 moles of an ideal gas at 87c and a pressure of 569 torr, what volume will the gas take up

Chemistry
1 answer:
Free_Kalibri [48]3 years ago
8 0
R //  <span>22 litros
ojala q mi respuesta te sirva ;)</span>
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How many calories of heat are required to raise the temperature of 1.00kg of water from 10.2 degrees Celsius to 26.8 degrees Cel
Vika [28.1K]

Answer:

Explanation:

we know that specific heat is the amount of heat required to raise the  temperature of substance by one degree mathmeticaly

Q=mcΔT

ΔT=T2-T1

ΔT=26.8-10.2=16.6

C for water is 4.184

therefore

Q=1.00*4.184*16.6

Q=69.4 j

now we have to covert joule into calorie

1 calorie =4.2 j

x calorie=69.4 j/2

so 69.4 j =34.7 calorie thats why 34.7 calorie heat is required to raise the temperature of water from 10.2 to 26.8 degree celsius

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3 years ago
You have a different rock with a volume of 30cm and a mass of 60g, What is its density?
Galina-37 [17]
Density = mass/volume

Therefore,
Density = 60g/30cm
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3 years ago
Which statement BEST describes what happens during solvation?
Ymorist [56]

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A

Explanation:

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3 years ago
A beaker is filled to the 500 mL mark with alcohol. What increase in volume (in mL) does the beaker contain when the temperature
Aliun [14]

Answer:

"1.4 mL" is the appropriate solution.

Explanation:

According to the question,

  • v_0=500
  • \alpha =1.12\times 10^{-4}
  • \Delta \epsilon = 25

Now,

Increase in volume will be:

⇒ \Delta V = \alpha\times v_0\times \Delta \epsilon

By putting the given values, we get

           =1.12\times 10^{-4}\times 500\times 25

           =1.12\times 10^{-4}\times 12500

           =1.4  \ mL

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