The device shown operates based on a capacitive touch screen. this means that it utilizes an electric current to operate. why will it operate with your finger but not a piece of plastic? a) your finger is a conductor but the plastic is not. b) your finger applies heat but the plastic does not. c) you can apply more pressure with your finger than with the plastic. d) the ridges of your fingerprints provide more surface area than the plastic.

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%

If two objects at different te,peraure are in contact with each other what happens to their temperature

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.