A chemist is studying the following reaction: SO2 + H2O - H2SO3 K = 2.1 x 10-3 She measures the concentrations of H2SO3 and SO2 and their concentrations are 0.23 M and 0.38 M respectively. Is the reaction at equilibrium? If not, which way must the reaction shift to attain equilibrium?

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

How do you lengthen a pattern piece? (family and consumer science, sewing)

How much carbon is stored in the atmosphere as co2