Temp & Pressure Conversions & Daltons Law

Choose 4 that describe properties of gases....

• 
  Can be compressed
  

• particles have high kinetic energy

• 
  Lots of space between particles 

• They're fluids 
  

• They expand when cooled

Tags

NGSS.HS-PS3-2

Effusion is when a gas

• Freezes

• Expands

• Escapes through a tiny opening

• Catches on fire

Which property of gases is being shown in this picture?

• fluidity

• compressibility

• high kinetic energy

• effusion

The pressure inside a tire is 225 kPa. Express this value in atm.

*Use a t-chart to calculate

• 22792.5 atm

• 171000 atm

• 2.22 atm

• 0.296 atm

What is 45.6 kPa in units of mm Hg?

*Use a t-chart to calculate

• 34656 mm Hg

• 342 mm Hg

• 0.06 mm Hg

• 6.08 mm Hg

Convert

20.0^oC to Kelvin.

• 273 K

• 298 K

• 293 K

• 20 K

Convert:

-45.9 C to Kelvin

• 227.1 K

• 400 K

• 0 K

• 373 K

Dry ice has a temperature of -78 ^oC.

What is this temperature in Kelvin?

• 195 K

• -351 K

• 159 K

• -213 K

Tags

NGSS.MS-PS1-4

Which equation represents Dalton's Gas Law?

• E = mc²

• PV = nRT

• P1 / T1 = P2 / T2

• P_total = P1 + P2 + P3

Dalton's law equation is used to find what?

• the density of a pure gas

• the total pressure of a pure gas

• the total pressure of a gas mixture

• the volume of a gas mixture