Determine the molar solubility (s) of ag2co3 in a buffered solution with a ph of 4.987 using the systematic treatment of equilibrium. ksp(ag2co3) = 8.46 × 10–12; ka1(h2co3) = 4.45 × 10–7; ka2(h2co3) = 4.69 × 10–11.

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.

Why are pipes bursting in the in extremely cold weather?

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols