The advantage of a fixed pulley on a flag pole is that it point) a. decreases the input force b. increases the output force c. changes the direction of the input force d. increases the distance the flag travels

In a particular chemical reaction, the energy of the reactants is 30 kj and the energy of the products is 5 kj. 
 the maximum energy of the system is 40 kj. sketch a potential energy diagram for this reaction. make sure to label the energy of the reactants, the energy of the products, the activation energy, and the enthalpy change for the reaction.