A sample of lithium sulfate, (Li2SO4), has 2.94 x 1023 atoms of lithium. How many moles of lithium sulfate is the sample?

Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device