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Vinil7 [7]
3 years ago
13

A substance that forms a vapor is generally in what physical state at room temperature? solid gas liquid or solid liquid

Chemistry
2 answers:
Lena [83]3 years ago
7 0

Answer: dry ice

Explanation:

Normally in gas but a few exceptions can be made for liquid and solid. A rare example of liquid is boiling water, and a rare example for solid is dry ice.

Anit [1.1K]3 years ago
3 0

Answer:

solid gas liquid

Explanation:

solid liquid can never form a vapor

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A sample of CH4 is confined in a water manometer. The temperature of the system is 30.0 °C and the atmospheric pressure is 98.70
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Explanation:

The given data is as follows.

  P_{atm} = 98.70 kPa = 98700 Pa,  

      T = 30^{o}C = (30 + 273) K = 303 K

      height (h) = 30 mm = 0.03 m (as 1 m = 100 mm)

Density = 13.534 g/mL = 13.534 g/mL \times \frac{10^{6}cm^{3}}{1 m^{3}} \times \frac{1 kg}{1000 g}

                = 13534 kg/m^{3}

The relation between pressure and atmospheric pressure is as follows.

             P = P_{atm} + \rho gh

Putting the given values into the above formula as follows.

            P = P_{atm} + \rho gh

               = 98700 Pa + 13534 \times 9.81 \times 0.03 m

               = 102683.05 Pa

               = 102.68 kPa

thus, we can conclude that the pressure of the given methane gas is 102.68 kPa.

8 0
3 years ago
Which of these is an example of a chemical change?
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C. Digesting a sandwich


Is your answer

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In physics and chemistry, ionization energy or ionisation energy is the minimum amount of energy required to remove the most loosely bound electron of an isolated neutral gaseous atom or molecule.

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