What is the wavelength of a radio wave whose energy is 4.81 x 10-14J? Group of answer choices
4.12 x 10-12 m

6.237 x 1021 m

3.18 x 10-47 m

7.265 x1019 Hz

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

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

Which is not true regarding reaction rates? (2 points) catalysts are not used up in the reaction. catalysts speed up reactions by lowering the activation energy. reaction rates decrease as the concentration of reactants decrease. during reactions, concentrations of all reactants decrease at the same rate.