Chemistry, 09.10.2019 03:00, jasontbyrer
How is enthalpy used to predict whether a reaction is endothermic or exothermic? when the enthalpy of the reactants is higher than the enthalpy of the products, the reaction is endothermic. when the enthalpy of the products is higher than the enthalpy of the reactants, the reaction is exothermic. when the enthalpy change of the reaction is positive, the reaction is exothermic. when the enthalpy change of the reaction is positive, the reaction is endothermic.
Answers: 1
Chemistry, 21.06.2019 23:30, mastershadow2018
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
Answers: 2
Chemistry, 22.06.2019 13:50, hannahmyung1113
Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.
Answers: 3
How is enthalpy used to predict whether a reaction is endothermic or exothermic? when the enthalpy...
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