Classmates
How many students are there?
34
How many meters are in 1100 kilometers?
1100000 meters
What's it called when the bonds break?
Endothermic
What does combustion make?
heat energy
What does P stand for?
Pressure
How many girls?
21
How many grams are in 4300 kilograms?
4300000 grams
What's it called when the bonds form?
Exothermic
What is considered potential and kinetic energy in a car system?
potential = fuel; kinetic = the car moving
What does n stand for?
amount/number
How many boys?
13
How many pounds are in one ton?
2000 lbs
What's the unit that measures bond energy?
kJ/mol
What connects the engine and the fuel?
the fuel line
What units are used for V and T
Volume: in liters
Temperature: in kelvin
Where did Miss Cassidy go to college?
Vassar and Berkley
How many millimeters are in 2.5 kilometers?
2,500,000 mm
What's the average energy for a Hydrogen-Hydrogen single covelant bond?
436 kJ/mol
What molecules go into the engine and the fuel tank?
engine = O2 (oxygen); fuel tank = C8H18 (octane)
What is PV equal to?
P x V = n x R x T
PV=nRT
How many kids were at class on April 29?
21 kids
What's the density (g/mL) of oil? (volume=250mL + mass=.23kg)
.92 g/mL
____ _____ is the amount of energy required to break one mole of a specific covalent bond
Bond enthalpy
Balance the combustion equation: _CH4 + _O2 -> _CO2 + _H2O
1CH4 + 2O2 -> 1CO2 + 2H2O
What is the Combined Gas Law formula?
P1V1/T1 = P2V2/T2