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Q)why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Ans) The Standard free energy of formation of Cu2S is greater than
mass of atom
how can i make a project work on it?
1. Consider a platinum crystal structure (FCC, R Pt = .139 nm). a. Sketch the (100), (110), and (111) planes (including the atoms in the second layer if they can be observed
how redox reaction influencing in everyday life
what is the working principle of potentiometry
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
How are the enzymes created in eukariotic cells?
Why a covalent bond is directional? Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of
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