Pressure Conversions
Convert 0.357 atm to torr (sig figs count!)
271 torr
Convert 36 degrees C into Kelvin (don't worry about sig figs)
309 K
Name one of the physical properties of a gas.
Any of these answers are acceptable:
Compressible (ex: bike pumps and scuba tanks)
Fills containers completely
Can move quickly
Gases exert pressure on an object
All gases have mass
Which type of reaction is the reaction below:
2Mg + O2 --> 2MgO
Synthesis or Combustion
Convert 0.875 atm to mmHg. (sig figs count!)
665 mmHg
Convert 284 K into degrees C. (don't worry about sig figs)
11 degrees C
What is Kinetic Molecular Theory?
Theory about the motion of gas particles
Which type of reaction is the reaction below:
Na2S(aq)+2HCl(aq)→2NaCl(aq)+H2S(g)
double replacement
Convert 740.0 mmHg to kPa. (sig figs count!)
98.66 atm
Convert -20 degrees C to K (don't worry about sig figs)
253 K
Name 2 of the 4 things that can be transported through air.
2 out of the 4 answers are acceptable:
Smells
Energy
Heat
Sound
What type of reaction is the following reaction:
2Ag + H2S → Ag2S + H2
single replacement
Convert 820.1 torr to kPa. (sig figs count!)
109.3 kPa
Convert -20 degrees C to K (don't worry about sig figs)
253 K
True or false: According to KMT, collisions are not perfectly elastic
FALSE!
Balance the following equation:
__C3H8 + __O2 → __CO2 + __H2O
C3H8 + 5O2 → 3CO2 + 4H2O
Convert 725.0 torr to mmHg. (sig figs count!)
725.0 mmHg (haha!)
Convert -300 degrees C to K (don't worry about sig figs)
Not possible! (remember Kelvin temperatures cannot be negative!)
True or False: According to KMT gases are small particles with mass, and the distance between these particles is relatively large
TRUE!
Balance AND name the reaction type:
__HCl(aq)+__NaOH(aq)→__NaCl(aq)+__H2O(l)
HCl(aq)+NaOH(aq)→NaCl(aq)+H2O(l)
double replacement reaction