Calculate the energy of a gamma ray photon whose frequency is 6.434x(10*20) Hz.​

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change