A vessel is filled completely with liquid water and sealed at 15.7 ∘C and a pressure of 1.00 bar. What is the pressure if the temperature of the system is raised to 70.0 ∘C? Under these conditions, αwater=2.04×10−4K−1, αvessel=1.42×10−4K−1, and κT=4.59×10−5bar−1.

The ph of carrots are 5.0 how it is classified a. acidic b. basic c. indicator d. neutral

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

Describe the forces both attractive and repulsive that occur as two atoms move closer together.