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related to: K

1. ### a 1.50−L bottle of SO2 reaches room temp. If the pressure gauge reads 144 psi and the room is 25°C, how many moles of SO2 are in the bottle?

...atm = 10.80 atm V = 1.5 L T = 25.0 oC = (25.0+273) K = 298 K find number of moles using: P * V...

1 Answers · Science & Mathematics · 26/09/2020

2. ### A 92.7−g sample of dinitrogen monoxide is confined in a 3.94−L vessel. What is the pressure (in atm) at 123°C?

Supposing the N2O does not decompose: P = nRT / V = (92.7 g N2O / (44.0128 g N2O/mol)) x (0.082057366 L atm/ K mol) x (123 + 273) K / (3.94 L) = 17.4 atm

1 Answers · Science & Mathematics · 26/09/2020

3. ### If 1.68 × 10−3 mol of argon occupies a 67.3−mL container at 32°C, what is the pressure (in torr)?

P = nRT / V = (1.68 × 10^−3 mol) x (62.36367 L torr/ K  mol) x (32 + 273) K / (0.0673 L) = 475 torr

2 Answers · Science & Mathematics · 26/09/2020

4. ### A sample of chlorine gas is confined in a 9.39−L container at 435 torr and 15.0°C. How many moles of gas are in the sample?

n = PV / RT = (435 torr) x (9.39 L) / ((62.36367 L torr/ K  mol) x (15.0 + 274.15) K ) = 0.227 mol

1 Answers · Science & Mathematics · 26/09/2020

5. ### A sample of Freon−12 (CF2Cl2) occupies 10.0 L at 372 K and 122.10 kPa. Find its volume at STP.?

(10.0 L) x (273 K / 372 K ) x (122.10 kPa / 100.00 kPa) = 8.96 L

1 Answers · Science & Mathematics · 26/09/2020

6. ### If I have 1.9 moles of gas held at a pressure of 5 atm and in container with a volume of 50liters what is the temp of the gas?

... = PV/nR but remember, that T will be in degrees K , so you will need to convert to degrees C

1 Answers · Science & Mathematics · 25/09/2020

7. ### chemistry gas laws?

...752/760 atm Volume, V = ? Temperature, T = (273 + 23) K = 296 K No. of moles, n = 9.205 mol Gas constant, ...

2 Answers · Science & Mathematics · 22/09/2020

8. ### A cylindrical bar of gold that is 1.5 in high and 0.25 in in diameter has a mass of 23.1984 g, as determined on an analytical balance.?

...00569 kg density of liquid = 0.00569 / 7.29e-6 = 780 kg/m³ (probably alcohol) 300 K = 26.84 ºC density at that temp is unknown

1 Answers · Science & Mathematics · 22/09/2020

9. ### 6.3 liters of sulfur vapor, S8(g), at 655°C and 8.87 atm is burned in excess pure oxygen gas to give sulfur dioxide gas measured at the ...?

..., V = 6.3 L Temperature, T = (273 + 655) K = 928 K Gas constant, R = 0.08206 L atm / (mol K ...

2 Answers · Science & Mathematics · 22/09/2020

10. ### What is Potassium? ?

Potassium is a chemical component with the symbol K (19). Potassium is a mineral found in the foods that we eat.Potassium also an electrolyte.

3 Answers · Science & Mathematics · 19/09/2020