What is true about a system in chemical equilibrium?No reactants remain in the system. The amount of product equals the amount of reactant. The amount of reactant changes, but over time remains about the same. There are no products in the system.

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

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.

What is the lowest number energy level where a d sublevel is found