Arrange the following solutions in order of decreasing freezing point: 0.20 m MgCl2, 0.15 m C6H12O6, 0.10 m K3PO4, 0.15 m CH3CH2CH2COOH, 0.35 m LiI. (Enter just the formulas in your answer. Use the appropriate <, =, or > symbol to separate substances in the list.)

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

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

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.