A sample of krypton gas occupies a volume of 9.55 L at 40.0°C and 0.900 atm. If it is desired to increase the volume of the gas sample to 10.8 L, while decreasing its pressure to 0.710 atm, the temperature of the gas sample at the new volume and pressure must be___°C.

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

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

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)