Part 1: Fill in the blanks below to state Newton’s three laws of motion: Newton’s First Law: All objects will remain at , or will continue to move at a constant in the same unless acted upon by an unbalanced . This property is called .

Newton’s Second Law: Unbalanced forces cause an object to .

Newton’s Third Law: Every action produces an equal and opposite . When one object exerts a force on another object, the second object pushes back with the same amount of .

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?