Bonding
Which type of bonding involves one non-metal and one metal?
ionic bonding
Type of Reaction:
CH4 + O2 --> CO2 + H2O
Combustion
What is the energy stored in a stationary object known as?
Potential Energy
A bug sticks to a windshield after hitting the car. Is this an elastic or inelastic collision?
Inelastic
Doing work over a certain amount of time is also known as the vocab term ___________
Power
What type of bonding includes two non-metals?
Covalent
Type of Reaction:
Na + Cl2 --> NaCl
Synthesis
When a soccer ball has been kicked and is flying through the air, it has what type of energy?
Kinetic Energy
A helmet reduces the force felt by the player's head by:
a) reducing the impulse
b) increasing the time over which the force acts
c) reducing the time over which the force acts
b) increasing the time over which the force acts
Which is the unit for Power?
Watts (W)
What is the formula for Calcium Chloride?
CaCl2
Balance it:
Na + Cl2 --> NaCl
2Na + Cl2 --> 2NaCl
What is the numerical value for the
Acceleration due to gravity ?
9.8 m/s2
Calculate the momentum of a 5 kg bowling ball moving at 5 m/s.
25 kg*m/s
How much work is done when a box weighing 15 N is lifted 2 meters?
30 Nm
What is the correct name for CuCl2?
copper (II) chloride
Balance it:
H2O + CO2 --> H2CO3
No need -- it's already balanced!
Calculate the kinetic energy of a 10 kg dog running at 2 m/s.
KE = 1/2mv2 = 1/2(10kg)(2m/s)2
KE = 5kg*4m2/s2
20 J
Calculate the impulse of a 3 N force being applied for 10 seconds.
30 Ns
How much power is used when 50 Newtons of work are done over 5 seconds?
10 Watts
Name the following compound: (NH4)2O
Ammonium oxide
Balance it AND Type of Reaction:
KCl + F2 --> KF + Cl2
2KCl + F2 --> 2KF + Cl2
Single Replacement
Calculate the GPE of a 5 kg book held 2 m in the air.
GPE = mgh = (5kg)(9.8 m/s2)(2m)
GPE = 98 J
What is the mass of an object that has a momentum of 40 kg*m/s, and a velocity of 5 m/s?
8 kg
What force is needed to do 100 Nm of work over 5 meters?
20 N