How much heat is required to increase the temperature of 10.0 grams of water 6.0oc? (the specific heat of water is 4.18 j/g x oc) 250 j

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

What must occur for air masses to form fronts

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.