If you add 2 grams of NaCl to 1.00 kg of water, by how many degrees would the freezing point of water decrease by? Delta T f for water is 1.86 degrees Celcius/m

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?