The reaction below can be catalyzed by bromine (Br2). If you carried out such a reaction, which compound would you expect to find in the reaction container at the end of the reaction? 2H2O2 ?2H2O + O2 OA) Br2 OB) Bro O c) BrH2 OD) Bro2

An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec