Consider the law of conservation of mass. in the reaction how much o2 will you need for every h2s?
a. 1 mol
c. 3 mol
b. 2 mol
d. 4 mol
condensation is the change of water from its gaseous form (water vapor) into liquid water. condensation generally occurs in the atmosphere when warm air rises, cools and looses its capacity to hold water vapor. as a result, excess water vapor condenses to form cloud droplets.
the correct answer is
d. the warm water rises and the cooler water sinks.
the answer is b, both girls are correct. the ball has elastic potential energy when it bounces, gravitational potential energy when it is in the air, and kinetic energy while it is moving.