A digital wireless telephone communicates to a base via microwaves with a frequency of 1930 MHz. What are the momentum and energy for the microwave photons emitted by the telephone

Study the following reaction carefully. what classification should this reaction have? 4al + 3o2 2al2o3synthesisdecompositionsingle replacementdouble displacement

When an object is heated it contracts. a. true b. false

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.