A place or object used for comparison to determine if an object is in motion is called? a) reference point b) constant speed c) velocity d) distance
What is reference point (a)?
100
the study of the effcts of work,heat and energy on a system.
What is thermodynamics
200
A spontaneous cell
What is a galvanic cell?
200
Heat transfer that happens through contact
What is radiation
200
What is The unit of momentum is a) kg x m b) kg x m/s c) kg x m/s 2 d) m/s 2
What is (b) kg*m/s?
200
3rd law of Thermodynamics
What is no system can absolute reach zero
300
The part of the electrolytic cell that allows the reaction to occur
What is a battery?
300
True or false: Insolation is a type of heat transfer
What is false?
300
What is The upward force of an objectfalling through the air is a) inertia b) air resistance c) momentum d) terminal velocity
What is air resistance (b)?
300
__________ lost= ___________ gained because energy is conserved
What is heat and heat?
400
A molecule that is volatile and also used in an electrolysis process
What is ammonia?
400
Radiation can usually be seen as ______
What is light?
400
What is If gravity did NOT affect the path of a horizontally thrown ball, the ball would ____. a) go straight up b) fall straight down c) follow a curved path d) travel horizontally
What is travel horizontally (d)
400
Energy lost by a system must be gained by something else in the system
What is 1st law of thermodynamics
500
The theoretical cell potential for water electrolysis
What is 1.23 V?
500
True or false: Radiation is the only type of heat transfer that can happen in empty space.
What is true?
500
What is If you ride your bike up a hill, then ride down the other side, your acceleration is a) all negative b) first positive, then negative c) first negative, then positive d) all positive
What is (b) first positive, then negative?
500
if the mass of a moving object is doubled,thermal energy will