Name and describe the phase change that occurs when dry ice is placed in an open container at room temperature.

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.

Aball horizontally thrown from a cliff at 8m/s