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harkovskaia [24]
2 years ago
14

Plz what’s the answer to this

Chemistry
1 answer:
Irina18 [472]2 years ago
7 0

Answer: E

Explanation:hope this helps you out

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Exercise A mixture of 250 mL of methane, CH4, at 35 °C and 0.55 atm and 750 mL of propane, C3Hg, at 35° C and 1.5 atm, were intr
dalvyx [7]

Explanation:

The given data is as follows.

      V_{1} = 250 mL,     V_{2} = 750 mL

      T_{1} = 35^{o}C = 35 + 273 K = 308 K

      T_{2} = 35 + 273 K = 308 K

      P_{1} = 0.55 atm,    P_{2} = 1.5 atm

               P = ? ,         V = 10.0 L

Since, temperature is constant.

So,    P_{1}V_{1} + P_{2}V_{2} = PV

Now, putting the given values into the above formula as follows.

         P_{1}V_{1} + P_{2}V_{2} = PV

         0.55 atm \times 250 mL + 1.5 atm \times 1.5 atm = P \times 10.0 L

                     P = 0.126 atm

As, 1 atm = 760 torr. So, 0.126 atm \times \frac{760 torr}{1 atm} = 95.76 torr.

Thus, we can conclude that the final pressure, in torr, of the mixture is 95.76 torr.

8 0
2 years ago
7m-11=10 como se acomoda pls ayuda​
Reptile [31]

Answer:

3

Explanation:

7m-11=10

quitar 11 de ambos lados

7m -11+11 = 10+11

7m=21

7/7m=21/7

m=3

3 0
3 years ago
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While waiting for your car to warm up one winter morning, you notice a liquid dripping from your tailpipe. You recently
tangare [24]

Answer:

A

Explanation:

Menthol (M 156.3 g/mol), the strong-smelling substance in many cough drops, is a compound of carbon, hydrogen, and oxygen. When 0.1595 g of menthol was bunted in a combustion apparatus. 0.449 g of CO_2 and 0.184 g of H_2 O formed.

3 0
3 years ago
What is the chemical name for Al2(SO3)3
Rom4ik [11]
Its chemical name is Aluminium Sulfite.
5 0
3 years ago
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Need help assap <br> Will give brainly
TEA [102]

Answer:

C!

Explanation:

only C

A: solid B: liquid : C: GAS

7 0
3 years ago
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