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determine the volume occupied by 2.0mol of a gas at 20°c if the pressure is 85.0kp

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

How is the atomic number of a nucleus changed by alpha decay